Bump actions/labeler from 6 to 7 (#1930)

Bumps [actions/labeler](https://github.com/actions/labeler) from 6 to 7.
- [Release notes](https://github.com/actions/labeler/releases)
- [Commits](https://github.com/actions/labeler/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/labeler
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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