trigger only on RTR label added

Author: neonspectra

.github/workflows/code-review.yml

@@ -18,4 +18,5 @@ jobs:
         with:
           comment-pr: true
           upload-results: true
-          claude-api-key: ${{ secrets.CLAUDE_API_KEY }}
+          claude-api-key: ${{ secrets.CLAUDE_API_KEY }}
+          require-label: 'READY TO REVIEW'