(build deps): Bump reviewdog/action-remark-lint from 5.5 to 5.6

Bumps [reviewdog/action-remark-lint](https://github.com/reviewdog/action-remark-lint) from 5.5 to 5.6.
- [Release notes](https://github.com/reviewdog/action-remark-lint/releases)
- [Changelog](https://github.com/reviewdog/action-remark-lint/blob/main/CHANGELOG.md)
- [Commits](reviewdog/action-remark-lint@v5.5...v5.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/docs.yml

@@ -127,7 +127,7 @@ jobs:
         if_false: github-check
     -
       name: '[Remark Lint]'
-      uses: reviewdog/action-remark-lint@v5.5
+      uses: reviewdog/action-remark-lint@v5.6
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
         reporter: ${{ steps.reporter.outputs.value }}