Upgrade: Bump @hint/configuration-all from 2.0.20 to 2.0.21

Bumps [@hint/configuration-all](https://github.com/webhintio/hint/tree/HEAD/packages/configuration-all) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/webhintio/hint/releases)
- [Changelog](https://github.com/webhintio/hint/blob/main/packages/configuration-all/CHANGELOG.md)
- [Commits](https://github.com/webhintio/hint/commits/HEAD/packages/configuration-all)

---
updated-dependencies:
- dependency-name: "@hint/configuration-all"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Close #1038

Author: dependabot[bot]