Update Rust crate clap to 3.2.8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
clap	dependencies	patch	3.2.7 -> 3.2.8

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Release Notes

clap-rs/clap

### [`v3.2.8`](https://togithub.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#​328---2022-06-30) [Compare Source](https://togithub.com/clap-rs/clap/compare/v3.2.7...v3.2.8) ##### Features - Added `Command::mut_subcommand` to mirror `Command::mut_arg`

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