chore(deps): bump color-string from 1.5.4 to 1.5.5 in /website (#817)

Bumps [color-string](https://github.com/Qix-/color-string) from 1.5.4 to 1.5.5.
- [Release notes](https://github.com/Qix-/color-string/releases)
- [Changelog](https://github.com/Qix-/color-string/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Qix-/color-string/compare/1.5.4...1.5.5)

---
updated-dependencies:
- dependency-name: color-string
  dependency-type: indirect
...

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