Bumps [@renovatebot/ruby-semver](https://github.com/renovatebot/ruby-semver) from 3.0.19 to 3.0.21.
- [Release notes](https://github.com/renovatebot/ruby-semver/releases)
- [Changelog](https://github.com/renovatebot/ruby-semver/blob/main/.releaserc.json)
- [Commits](https://github.com/renovatebot/ruby-semver/compare/3.0.19...3.0.21

)

---
updated-dependencies:
- dependency-name: "@renovatebot/ruby-semver"
  dependency-type: direct:production
  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>