chore: disable pull request publish

Author: Vilsol

Diff for: .github/workflows/release.yaml

@@ -53,7 +53,7 @@ jobs:
 
   release:
     runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/master' && github.event_name == 'push'
+    if: github.ref == 'refs/heads/master' && github.event_name != 'pull_request'
     needs:
       - lint-chart
       - lint-docs