Degeneracies in all directions

.github/workflows/coq-action.yml

@@ -2,9 +2,20 @@ name: coq-action
 
 on:
   push:
-    paths: "**.v"
+    paths:
+      - "**.v"
+      - "bonak.opam"
+      - "dune-project"
+      - "**/dune"
+      - ".github/workflows/coq-action.yml"
   pull_request:
-    types: [opened, reopened]
+    types: [opened, reopened, synchronize]
+    paths:
+      - "**.v"
+      - "bonak.opam"
+      - "dune-project"
+      - "**/dune"
+      - ".github/workflows/coq-action.yml"
 jobs:
   build:
     runs-on: "ubuntu-latest"
@@ -16,4 +27,4 @@ jobs:
         uses: "coq-community/docker-coq-action@v1"
         with:
           opam_file: "bonak.opam"
-          coq_version: "latest"
+          coq_version: "9.1.1"