Run the workflow for PRs but don't push the commit

Author: hugovk

.github/workflows/update.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - '*'
+  pull_request:
   workflow_dispatch:
 jobs:
   update:
@@ -20,6 +21,7 @@ jobs:
       - run: git add .
       - run: git commit -m 'Update progress values'
       - uses: ad-m/github-push-action@master
+        if: github.event_name != 'pull_request'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           branch: ${{ github.ref }}