fix: gh-delete-branch if criteria

Author: andhreljaKern

.github/workflows/k8s_release.yml

@@ -37,6 +37,6 @@ jobs:
 
   call-gh-delete-branch:
     needs: [call-k8-deploy]
-    if: github.event_name == 'pull_request' && github.event.pull_request.merged == 'true' && !failure()
+    if: github.event_name == 'pull_request' && github.event.pull_request.merged && !failure()
     uses: code-kern-ai/cicd-deployment-scripts/.github/workflows/gh_delete_branch.yml@dev
     secrets: inherit