build(deps): bump rouge from 4.2.0 to 4.2.1

Bumps [rouge](https://github.com/rouge-ruby/rouge) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/rouge-ruby/rouge/releases)
- [Changelog](https://github.com/rouge-ruby/rouge/blob/master/CHANGELOG.md)
- [Commits](rouge-ruby/rouge@v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: rouge
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -70,7 +70,7 @@ GEM
  rb-inotify (0.10.1)
  ffi (~> 1.0)
  rexml (3.2.6)
- rouge (4.2.0)
+ rouge (4.2.1)
  safe_yaml (1.0.5)
  sass-embedded (1.72.0)
  google-protobuf (>= 3.25, < 5.0)