fix(deps): bump clap from 4.5.4 to 4.5.6

Bumps [clap](https://github.com/clap-rs/clap) from 4.5.4 to 4.5.6.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@clap_complete-v4.5.4...v4.5.6)

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

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

Cargo.toml

@@ -12,7 +12,7 @@ description = "Work out what your external ip is"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.5.4", features = ["derive", "cargo", "wrap_help", "env", "unicode" ] }
+clap = { version = "4.5.6", features = ["derive", "cargo", "wrap_help", "env", "unicode" ] }
 trust-dns-resolver = "0.23.2"
 futures = "0.3.30"
 tokio = { version = "1.38.0", features = ["full"] }