ci(openai-pr-reviewer): update the bot label (#5481)

Signed-off-by: M. Fatih Cırıt <mfc@leodrive.ai>

Author: xmfcx

.github/workflows/openai-pr-reviewer.yaml

@@ -21,7 +21,7 @@ jobs:
   prevent-no-label-execution:
     uses: autowarefoundation/autoware-github-actions/.github/workflows/prevent-no-label-execution.yaml@v1
     with:
-      label: openai-pr-reviewer
+      label: tag:openai-pr-reviewer
   review:
     needs: prevent-no-label-execution
     if: ${{ needs.prevent-no-label-execution.outputs.run == 'true' }}