Update Rust crate clap to v4.5.20 (#18953)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [clap](https://redirect.github.com/clap-rs/clap) |
workspace.dependencies | patch | `4.5.19` -> `4.5.20` |

---

### Release Notes

<details>
<summary>clap-rs/clap (clap)</summary>

###
[`v4.5.20`](https://redirect.github.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#4520---2024-10-08)

[Compare
Source](https://redirect.github.com/clap-rs/clap/compare/v4.5.19...v4.5.20)

##### Features

-   *(unstable)* Add `CommandExt`

</details>

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---

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Release Notes:

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