Bump color-string and diagnostics

Bumps [color-string](https://github.com/Qix-/color-string) and [diagnostics](https://github.com/3rd-Eden/diagnostics). These dependencies needed to be updated together.

Updates `color-string` from 0.3.0 to 1.9.1
- [Release notes](https://github.com/Qix-/color-string/releases)
- [Changelog](https://github.com/Qix-/color-string/blob/master/CHANGELOG.md)
- [Commits](Qix-/color-string@0.3.0...1.9.1)

Updates `diagnostics` from 1.1.0 to 1.1.1
- [Release notes](https://github.com/3rd-Eden/diagnostics/releases)
- [Changelog](https://github.com/3rd-Eden/diagnostics/blob/master/CHANGELOG.md)
- [Commits](3rd-Eden/diagnostics@1.1.0...1.1.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]