Update mirror-changelog.yml

Author: twishabansal

.github/workflows/mirror-changelog.yml

@@ -20,7 +20,7 @@ on:
 
 jobs:
   add-release-notes:
-    if: github.actor == 'twishabansal'
+    if: github.actor == 'twishabansal' && startsWith(github.head_ref, 'test-workflow')
     runs-on: ubuntu-latest
     permissions:
       pull-requests: write