Update build-pr-cmk.yml

Author: shwstppr

.github/workflows/build-pr-cmk.yml

@@ -43,7 +43,7 @@ jobs:
           if-no-files-found: error
 
       - name: Comment on PR with artifact link
-        if: ${{ github.event_name == 'pull_request' }}
+        if: ${{ github.event_name == 'pull_request' || github.event.pull_request.number != '' || startsWith(github.ref, 'refs/pull/') }}
         uses: peter-evans/create-or-update-comment@v4
         with:
           token: ${{ secrets.GITHUB_TOKEN }}