chore(deps): update rust crate libtest-mimic to 0.6.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
libtest-mimic	dependencies	minor	0.5.2 -> 0.6.0

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Release Notes

LukasKalbertodt/libtest-mimic

### [`v0.6.0`](https://togithub.com/LukasKalbertodt/libtest-mimic/blob/HEAD/CHANGELOG.md#​060---2022-11-05) [Compare Source](https://togithub.com/LukasKalbertodt/libtest-mimic/compare/v0.5.2...v0.6.0) ##### Changed - **Breaking**: Updated `clap` to version 4 (thanks [@​msrd0](https://togithub.com/msrd0)) - **Breaking**: Bump MSRV to 1.60 (due to the clap update) ##### Removed - **Breaking**: Remove `FromStr` impls for `args::{ColorSetting, FormatSetting}` (use `clap::ValueEnum` instead).

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