Fix action output name

Author: dimodi

.github/workflows/pull_request_closed.yml

@@ -55,7 +55,7 @@ jobs:
           GHPR_OUTPUT=$(gh pr create --base production --head ${{ steps.cp.outputs.branch }} --title "Merge ${{ steps.cp.outputs.branch }} into production" --body "Automatically generated PR from master branch: #${{github.event.number}}. Once the change is merged, upload the changes to LIVE.")
           echo "##[set-output name=ghproutput;]$(echo $GHPR_OUTPUT)"
       - name: Post PR link
-        if: steps.pr.outputs.pr_url != ''
+        if: steps.pr.outputs.ghproutput != ''
         uses: peter-evans/create-or-update-comment@71345be0265236311c031f5c7866368bd1eff043
         with:
           issue-number: ${{github.event.number}}