Update Rust crate clap_mangen to 0.1.9

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
clap_mangen	dependencies	patch	0.1.8 -> 0.1.9

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Release Notes

clap-rs/clap

### [`v0.1.9`](https://togithub.com/clap-rs/clap/compare/clap_mangen-v0.1.8...clap_mangen-v0.1.9) [Compare Source](https://togithub.com/clap-rs/clap/compare/clap_mangen-v0.1.8...clap_mangen-v0.1.9)

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Configuration

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🚦 Automerge: Enabled.

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🔕 Ignore: Close this PR and you won't be reminded about this update again.

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