fix: skip fzf launch in kubens when no contexts exist in kubeconfig

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/bash-frozen.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - name: Comment on PR if author is not ahmetb
         if: github.event.pull_request.user.login != 'ahmetb'
-        uses: actions/github-script@v8
+        uses: actions/github-script@v7
         with:
           script: |
             const body = [