Bump clap from 4.3.10 to 4.3.21

Bumps [clap](https://github.com/clap-rs/clap) from 4.3.10 to 4.3.21.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@v4.3.10...v4.3.21)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

statime-linux/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 arrayvec = { version = "0.7.4", default-features = false }
-clap = { version = "4.3.8", features = ["derive"] }
+clap = { version = "4.3.21", features = ["derive"] }
 fern = { version = "0.6.2", features = ["colored"] }
 libc = { version = "0.2.147", features = ["extra_traits"] }
 log = "0.4.19"