chore(deps): bump reviewdog/action-yamllint from 1.19.0 to 1.21.0 (#83)

Bumps [reviewdog/action-yamllint](https://github.com/reviewdog/action-yamllint) from 1.19.0 to 1.21.0.
- [Release notes](https://github.com/reviewdog/action-yamllint/releases)
- [Commits](https://github.com/reviewdog/action-yamllint/compare/v1.19.0...v1.21.0)

---
updated-dependencies:
- dependency-name: reviewdog/action-yamllint
  dependency-version: 1.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/yaml-lint.yml

@@ -17,7 +17,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
       - name: yamllint
-        uses: reviewdog/action-yamllint@v1.19.0
+        uses: reviewdog/action-yamllint@v1.21.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           reporter: github-pr-review