diff --git a/package.json b/package.json
index eff5f6f280c1..5825d258e55c 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "chai": "4.2.0",
     "chai-as-promised": "7.1.1",
     "cli-highlight": "2.1.4",
-    "codecov": "3.6.1",
+    "codecov": "3.8.3",
     "commander": "4.0.1",
     "connect-header": "0.0.5",
     "cssnano": "4.1.10",
diff --git a/yarn.lock b/yarn.lock
index 927abcc8377f..ee1f78b8c938 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1578,6 +1578,11 @@
   dependencies:
     defer-to-connect "^1.0.1"
 
+"@tootallnate/once@1":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
+  integrity sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==
+
 "@types/babel__core@^7.1.0":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@types/babel__core/-/babel__core-7.1.3.tgz#e441ea7df63cd080dfcd02ab199e6d16a735fc30"
@@ -1800,6 +1805,13 @@ after@0.8.2:
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
   integrity sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=
 
+agent-base@6:
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.2.tgz#49fff58577cfee3f37176feab4c22e00f86d7f77"
+  integrity sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==
+  dependencies:
+    debug "4"
+
 agent-base@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
@@ -2076,10 +2088,10 @@ argparse@^1.0.7:
   dependencies:
     sprintf-js "~1.0.2"
 
-argv@^0.0.2:
+argv@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/argv/-/argv-0.0.2.tgz#ecbd16f8949b157183711b1bda334f37840185ab"
-  integrity sha1-7L0W+JSbFXGDcRsb2jNPN4QBhas=
+  integrity sha512-dEamhpPEwRUBpLNHeuCm/v+g0anFByHahxodVO/BbAarHVBBg2MccCwf9K+o1Pof+2btdnkJelYVUWjW/VrATw==
 
 arr-diff@^1.0.1:
   version "1.1.0"
@@ -3688,16 +3700,16 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   integrity sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=
 
-codecov@3.6.1:
-  version "3.6.1"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.6.1.tgz#f39fc49413445555f81f8e3ca5730992843b4517"
-  integrity sha512-IUJB6WG47nWK7o50etF8jBadxdMw7DmoQg05yIljstXFBGB6clOZsIj6iD4P82T2YaIU3qq+FFu8K9pxgkCJDQ==
+codecov@3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.8.3.tgz#9c3e364b8a700c597346ae98418d09880a3fdbe7"
+  integrity sha512-Y8Hw+V3HgR7V71xWH2vQ9lyS358CbGCldWlJFR0JirqoGtOoas3R3/OclRTvgUYFK29mmJICDPauVKmpqbwhOA==
   dependencies:
-    argv "^0.0.2"
-    ignore-walk "^3.0.1"
-    js-yaml "^3.13.1"
-    teeny-request "^3.11.3"
-    urlgrey "^0.4.4"
+    argv "0.0.2"
+    ignore-walk "3.0.4"
+    js-yaml "3.14.1"
+    teeny-request "7.1.1"
+    urlgrey "1.0.0"
 
 collection-map@^1.0.0:
   version "1.0.0"
@@ -4501,6 +4513,13 @@ debug@3.2.6, debug@3.X, debug@^3.0.0, debug@^3.1.0, debug@^3.2.6:
   dependencies:
     ms "^2.1.1"
 
+debug@4:
+  version "4.3.4"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
+  integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
+  dependencies:
+    ms "2.1.2"
+
 debug@^4.0.1, debug@^4.1.0, debug@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
@@ -5863,6 +5882,13 @@ fast-levenshtein@~2.0.4:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
+fast-url-parser@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/fast-url-parser/-/fast-url-parser-1.1.3.tgz#f4af3ea9f34d8a271cf58ad2b3759f431f0b318d"
+  integrity sha512-5jOCVXADYNuRkKFzNJ0dCCewsZiYo0dz8QNYljkOpFC6r2U4OBmKtvm/Tsuh4w1YYdDqDb31a8TVhBJ2OJKdqQ==
+  dependencies:
+    punycode "^1.3.2"
+
 fastq@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.6.0.tgz#4ec8a38f4ac25f21492673adb7eae9cfef47d1c2"
@@ -7166,6 +7192,15 @@ http-errors@~1.7.2:
   resolved "https://registry.yarnpkg.com/http-parser-js/-/http-parser-js-0.4.10.tgz#92c9c1374c35085f75db359ec56cc257cbb93fa4"
   integrity sha1-ksnBN0w1CF912zWexWzCV8u5P6Q=
 
+http-proxy-agent@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz#8a8c8ef7f5932ccf953c296ca8291b95aa74aa3a"
+  integrity sha512-k0zdNgqWTGA6aeIRVpvfVob4fL52dTfaehylg0Y4UvSySvOq/Y+BOyPrgpUrA7HylqvU8vIZGsRuXmspskV0Tg==
+  dependencies:
+    "@tootallnate/once" "1"
+    agent-base "6"
+    debug "4"
+
 http-proxy@^0.10:
   version "0.10.4"
   resolved "https://registry.yarnpkg.com/http-proxy/-/http-proxy-0.10.4.tgz#14ba0ceaa2197f89fa30dea9e7b09e19cd93c22f"
@@ -7207,6 +7242,14 @@ https-proxy-agent@^2.2.1:
     agent-base "^4.3.0"
     debug "^3.1.0"
 
+https-proxy-agent@^5.0.0:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-5.0.1.tgz#c59ef224a04fe8b754f3db0063a25ea30d0005d6"
+  integrity sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==
+  dependencies:
+    agent-base "6"
+    debug "4"
+
 human-signals@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/human-signals/-/human-signals-1.1.1.tgz#c5b1cd14f50aeae09ab6c59fe63ba3395fe4dfa3"
@@ -7249,10 +7292,10 @@ ignore-by-default@^1.0.0:
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
   integrity sha1-SMptcvbGo68Aqa1K5odr44ieKwk=
 
-ignore-walk@^3.0.1:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.2.tgz#99d83a246c196ea5c93ef9315ad7b0819c35069b"
-  integrity sha512-EXyErtpHbn75ZTsOADsfx6J/FPo6/5cjev46PXrcTpd8z3BoRkXgYu9/JVqrI7tusjmwCZutGeRJeU0Wo1e4Cw==
+ignore-walk@3.0.4, ignore-walk@^3.0.1:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.4.tgz#c9a09f69b7c7b479a5d74ac1a3c0d4236d2a6335"
+  integrity sha512-PY6Ii8o1jMRA1z4F2hRkH/xN59ox43DavKvD3oDpfurRlOJyAHpifIwpbdv1n4jt4ov0jSpw3kQ4GhJnpBL6WQ==
   dependencies:
     minimatch "^3.0.4"
 
@@ -8472,7 +8515,7 @@ js-tokens@^3.0.2:
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
   integrity sha1-mGbfOVECEw449/mWvOtlRDIJwls=
 
-js-yaml@3.13.1, js-yaml@^3.10.0, js-yaml@^3.13.1:
+js-yaml@3.13.1:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   integrity sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==
@@ -8480,6 +8523,14 @@ js-yaml@3.13.1, js-yaml@^3.10.0, js-yaml@^3.13.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@3.14.1, js-yaml@^3.10.0, js-yaml@^3.13.1:
+  version "3.14.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.1.tgz#dae812fdb3825fa306609a8717383c50c36a0537"
+  integrity sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
@@ -9884,7 +9935,7 @@ ms@2.1.1:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
   integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
 
-ms@^2.1.1, ms@^2.1.2:
+ms@2.1.2, ms@^2.1.1, ms@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
   integrity sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==
@@ -10052,10 +10103,12 @@ node-fetch@^1.0.1:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
-node-fetch@^2.2.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
-  integrity sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA==
+node-fetch@^2.6.1:
+  version "2.6.7"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
+  dependencies:
+    whatwg-url "^5.0.0"
 
 node-int64@^0.4.0:
   version "0.4.0"
@@ -13066,6 +13119,13 @@ stream-counter@~0.2.0:
   dependencies:
     readable-stream "~1.1.8"
 
+stream-events@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/stream-events/-/stream-events-1.0.5.tgz#bbc898ec4df33a4902d892333d47da9bf1c406d5"
+  integrity sha512-E1GUzBSgvct8Jsb3v2X15pjzN1tYebtbLaMg+eBOUOAxgbLoSbT2NS91ckc5lJD1KfLjId+jXJRgo0qnV5Nerg==
+  dependencies:
+    stubs "^3.0.0"
+
 stream-exhaust@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/stream-exhaust/-/stream-exhaust-1.0.2.tgz#acdac8da59ef2bc1e17a2c0ccf6c320d120e555d"
@@ -13326,6 +13386,11 @@ strip-json-comments@^3.0.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.0.1.tgz#85713975a91fb87bf1b305cca77395e40d2a64a7"
   integrity sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==
 
+stubs@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/stubs/-/stubs-3.0.0.tgz#e8d2ba1fa9c90570303c030b6900f7d5f89abe5b"
+  integrity sha512-PdHt7hHUJKxvTCgbKX9C1V/ftOcjJQgz8BZwNfV5c4B6dcGqlpelTbJ999jBGZ2jYiPAwcX5dP6oBwVlBlUbxw==
+
 stylehacks@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/stylehacks/-/stylehacks-4.0.3.tgz#6718fcaf4d1e07d8a1318690881e8d96726a71d5"
@@ -13458,14 +13523,16 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.3"
 
-teeny-request@^3.11.3:
-  version "3.11.3"
-  resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-3.11.3.tgz#335c629f7645e5d6599362df2f3230c4cbc23a55"
-  integrity sha512-CKncqSF7sH6p4rzCgkb/z/Pcos5efl0DmolzvlqRQUNcpRIruOhY9+T1FsIlyEbfWd7MsFpodROOwHYh2BaXzw==
+teeny-request@7.1.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-7.1.1.tgz#2b0d156f4a8ad81de44303302ba8d7f1f05e20e6"
+  integrity sha512-iwY6rkW5DDGq8hE2YgNQlKbptYpY5Nn2xecjQiNjOXWbKzPGUfmeUBCSQbbr306d7Z7U2N0TPl+/SwYRfua1Dg==
   dependencies:
-    https-proxy-agent "^2.2.1"
-    node-fetch "^2.2.0"
-    uuid "^3.3.2"
+    http-proxy-agent "^4.0.0"
+    https-proxy-agent "^5.0.0"
+    node-fetch "^2.6.1"
+    stream-events "^1.0.5"
+    uuid "^8.0.0"
 
 temp-dir@^1.0.0:
   version "1.0.0"
@@ -13787,6 +13854,11 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
+tr46@~0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
+  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
+
 traverse@0.6.6:
   version "0.6.6"
   resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
@@ -14150,10 +14222,12 @@ url@~0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
-urlgrey@^0.4.4:
-  version "0.4.4"
-  resolved "https://registry.yarnpkg.com/urlgrey/-/urlgrey-0.4.4.tgz#892fe95960805e85519f1cd4389f2cb4cbb7652f"
-  integrity sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8=
+urlgrey@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/urlgrey/-/urlgrey-1.0.0.tgz#72d2f904482d0b602e3c7fa599343d699bbe1017"
+  integrity sha512-hJfIzMPJmI9IlLkby8QrsCykQ+SXDeO2W5Q9QTW3QpqZVTx4a/K7p8/5q+/isD8vsbVaFgql/gvAoQCRQ2Cb5w==
+  dependencies:
+    fast-url-parser "^1.1.3"
 
 use@^3.1.0:
   version "3.1.1"
@@ -14222,6 +14296,11 @@ uuid@^3.3.2:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.3.3.tgz#4568f0216e78760ee1dbf3a4d2cf53e224112866"
   integrity sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ==
 
+uuid@^8.0.0:
+  version "8.3.2"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-8.3.2.tgz#80d5b5ced271bb9af6c445f21a1a04c606cefbe2"
+  integrity sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==
+
 v8-compile-cache@^2.0.3:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz#e14de37b31a6d194f5690d67efc4e7f6fc6ab30e"
@@ -14447,6 +14526,11 @@ web-animations-js@2.3.1:
   resolved "https://registry.yarnpkg.com/web-animations-js/-/web-animations-js-2.3.1.tgz#3a6d9bc15196377a90f8e2803fa5262165b04510"
   integrity sha1-Om2bwVGWN3qQ+OKAP6UmIWWwRRA=
 
+webidl-conversions@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
+  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
+
 webidl-conversions@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
@@ -14488,6 +14572,14 @@ whatwg-mimetype@^2.1.0, whatwg-mimetype@^2.2.0, whatwg-mimetype@^2.3.0:
   resolved "https://registry.yarnpkg.com/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"
   integrity sha512-M4yMwr6mAnQz76TbJm914+gPpB/nCwvZbJU28cUD6dR004SAxDLOOSUaB1JDRqLtaOV/vi0IC5lEAGFgrjGv/g==
 
+whatwg-url@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
+  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
+  dependencies:
+    tr46 "~0.0.3"
+    webidl-conversions "^3.0.0"
+
 whatwg-url@^6.4.1, whatwg-url@^6.5.0:
   version "6.5.0"
   resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-6.5.0.tgz#f2df02bff176fd65070df74ad5ccbb5a199965a8"