Only run comment steps for PRs

Author: swissspidy

action.yml

@@ -286,15 +286,15 @@ runs:
 
     - name: Check if a comment was already made
       id: find-comment
-      if: ${{ inputs.create-comment == 'true' }}
+      if: ${{ github.event_name == 'pull_request' && inputs.create-comment == 'true' }}
       uses: peter-evans/find-comment@a54c31d7fa095754bfef525c0c8e5e5674c4b4b1
       with:
         issue-number: ${{ github.event.pull_request.number }}
         body-includes: Performance test results for
 
     - name: Comment on PR with test results
       uses: peter-evans/create-or-update-comment@c6c9a1a66007646a28c153e2a8580a5bad27bcfa
-      if: ${{ inputs.create-comment == 'true' }}
+      if: ${{ github.event_name == 'pull_request' && inputs.create-comment == 'true' }}
       with:
         issue-number: ${{ github.event.pull_request.number }}
         comment-id: ${{ steps.find-comment.outputs.comment-id }}