only update doc on release

Author: jmmshn

.github/workflows/pytest-docs.yml

@@ -1,7 +1,14 @@
 name: Build Docs
 
 on:
-  [release, workflow_dispatch]
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build:
@@ -34,6 +41,7 @@ jobs:
           cd docs_rst
           make html
       - name: Detect changes
+        if: ${{ contains(github.ref, 'refs/heads/main') }}
         id: changes
         shell: bash
         run: |