Merge branch 'meson-build' of github.com:underworldcode/quagmire into meson-build

Author: julesghub

.github/workflows/conda_test_build.yml

@@ -22,10 +22,10 @@ jobs:
         os: ["ubuntu-latest", "macos-latest"]
         python-version: ["3.7"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Cache conda
-        uses: actions/cache@v1
+        uses: actions/cache@v3
         env:
         # Increase this value to reset cache if etc/example-environment.yml has not changed
           CACHE_NUMBER: 0