Bump actions/labeler from 6 to 7 (#848)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: zhzhcookie <zhengyang@baai.ac.cn>

Author: dependabot[bot]

.github/workflows/new-prs.yml

@@ -40,7 +40,7 @@ jobs:
       pull-requests: write
     steps:
       - id: labeler
-        uses: actions/labeler@v6
+        uses: actions/labeler@v7
         with:
           repo-token: "${{ secrets.GITHUB_TOKEN }}"
           sync-labels: true