Update Rust crate clap to 3.1.18

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
clap	dependencies	patch	3.1.17 -> 3.1.18

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Release Notes

clap-rs/clap

### [`v3.1.18`](https://togithub.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#​3118---2022-05-10) [Compare Source](https://togithub.com/clap-rs/clap/compare/v3.1.17...v3.1.18) ##### Fixes - Fix deprecated `arg_enum!` for users migrating to clap3 ([#​3717](https://togithub.com/clap-rs/clap/issues/3717)) - Verify all `required_unless_present_all` arguments exist - Verify group members exist before processing group members ([#​3711](https://togithub.com/clap-rs/clap/issues/3711)) - *(help)* Use `...` when not enough `value_names` are supplied **gated behind `unstable-v4`** - Verify `required` is not used with conditional required settings ([#​3660](https://togithub.com/clap-rs/clap/issues/3660)) - Disallow more `value_names` than `number_of_values` ([#​2695](https://togithub.com/clap-rs/clap/issues/2695)) - *(parser)* Assert on unknown args when using external subcommands ([#​3703](https://togithub.com/clap-rs/clap/issues/3703)) - *(parser)* Always fill in `""` argument for external subcommands ([#​3263](https://togithub.com/clap-rs/clap/issues/3263)) - *(derive)* Detect escaped external subcommands that look like built-in subcommands ([#​3703](https://togithub.com/clap-rs/clap/issues/3703)) - *(derive)* Leave `Arg::id` as `verbatim` casing ([#​3282](https://togithub.com/clap-rs/clap/issues/3282))

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