ci: bump peaceiris/actions-label-commenter from v1.8.0 to v1.8.1 (#477)

Bumps [peaceiris/actions-label-commenter](https://github.com/peaceiris/actions-label-commenter) from v1.8.0 to v1.8.1.
- [Release notes](https://github.com/peaceiris/actions-label-commenter/releases)
- [Changelog](https://github.com/peaceiris/actions-label-commenter/blob/main/CHANGELOG.md)
- [Commits](https://github.com/peaceiris/actions-label-commenter/compare/v1.8.0...293ccb966d4b759a896a618e0a81c155804b2cff)

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/label-commenter.yml

@@ -19,7 +19,7 @@ jobs:
           ref: main
 
       - name: Label Commenter
-        uses: peaceiris/actions-label-commenter@v1.8.0
+        uses: peaceiris/actions-label-commenter@v1.8.1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           # config_file: .github/label-commenter-config.yml