chore(deps): update actions/labeler action to v6 (#1359)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pr-automation.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Automatically label PR
-        uses: actions/labeler@v5
+        uses: actions/labeler@v6
         with:
           repo-token: '${{ secrets.GITHUB_TOKEN }}'
           sync-labels: true