Use approved third-party action with a specific commit

Author: dimodi

.github/workflows/pull_request.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: Create branch comment      
         if: ${{ github.base_ref == 'master' && contains(join(github.event.pull_request.labels.*.name, ''), 'merge-to-production') }}
-        uses: peter-evans/create-or-update-comment@v1
+        uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043
         with:
           issue-number: ${{github.event.number}}
           body: |