.github/workflows/Test.yml: limit doc to push on master branch

Author: trabucayre

.github/workflows/Test.yml

@@ -2,12 +2,13 @@ name: Test
 
 on:
   push:
+    branches:
+      - master   # Only trigger workflow on pushes to master
   pull_request:
   workflow_dispatch:
 
 jobs:
 
-
   doc:
     if: github.ref == 'refs/heads/master'
     runs-on: ubuntu-latest