ci: bump label-commenter from 1.4.0-1 to 1.4.0-2

Author: peaceiris

.github/workflows/label-commenter.yml

@@ -19,7 +19,7 @@ jobs:
           ref: master
 
       - name: Label Commenter
-        uses: peaceiris/[email protected]1
+        uses: peaceiris/[email protected]2
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           # config_file: .github/label-commenter-config.yml