Yet another attempt to fix workflow syntax

.github/workflows/release-ci.yml

@@ -21,7 +21,7 @@ jobs:
       uses: docker/setup-buildx-action@v1
 
     - name: Check PR Label For Release label
-      if: !contains(github.event.pull_request.labels.*.name, 'release') 
+      if: ${{ !contains(github.event.*.labels.*.name, 'release') }}
       run: |
         echo "Not a release candidate. Skipping workflow."
         exit 0