⬆ Bump actions/labeler from 5 to 6 (fastapi#1839)

Bumps [actions/labeler](https://github.com/actions/labeler) from 5 to 6.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](actions/labeler@v5...v6)

---
updated-dependencies:
- dependency-name: actions/labeler
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/labeler.yml

@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/labeler@v5
+    - uses: actions/labeler@v6
       if: ${{ github.event.action != 'labeled' && github.event.action != 'unlabeled' }}
     - run: echo "Done adding labels"
   # Run this after labeler applied labels