deps: update rust crate clap to 4.3.21 (#114)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [clap](https://togithub.com/clap-rs/clap) | dependencies | patch |
`4.3.19` -> `4.3.21` |

---

### Release Notes

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

###
[`v4.3.21`](https://togithub.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#4321---2023-08-08)

[Compare
Source](https://togithub.com/clap-rs/clap/compare/v4.3.20...v4.3.21)

##### Features

-   Expose `TryMapValueParser` so the type can be named

###
[`v4.3.20`](https://togithub.com/clap-rs/clap/blob/HEAD/CHANGELOG.md#4320---2023-08-08)

[Compare
Source](https://togithub.com/clap-rs/clap/compare/v4.3.19...v4.3.20)

##### Features

-   `Command::mut_args` for modifying all arguments en masse

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

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

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/YoloDev/cargo-featurex).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNi4yNy4xIiwidXBkYXRlZEluVmVyIjoiMzYuMjcuMSIsInRhcmdldEJyYW5jaCI6Im1haW4ifQ==-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -13,7 +13,7 @@ repository = "https://github.com/YoloDev/cargo-featurex"
 [dependencies]
 bitarr = "0.2.0"
 cargo_metadata = "0.17.0"
-clap = { version = "4.3.19", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 error-stack = "0.3.1"
 itertools = "0.11.0"
 lasso = { version = "0.7.2", features = ["ahasher"] }