Merge pull request github#15016 from github/revert-15003-dependabot/github_actions/actions/labeler-5

Revert "Bump actions/labeler from 4 to 5"

Author: cklin

.github/workflows/labeler.yml

@@ -9,6 +9,6 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@v5
+    - uses: actions/labeler@v4
       with:
         repo-token: "${{ secrets.GITHUB_TOKEN }}"