chore: bump color-string from 1.7.4 to 1.8.1

Bumps [color-string](https://github.com/Qix-/color-string) from 1.7.4 to 1.8.1.
- [Release notes](https://github.com/Qix-/color-string/releases)
- [Changelog](https://github.com/Qix-/color-string/blob/master/CHANGELOG.md)
- [Commits](Qix-/color-string@1.7.4...1.8.1)

---
updated-dependencies:
- dependency-name: color-string
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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