⬆️ Bump clap_mangen from 0.2.31 to 0.3.0

Bumps [clap_mangen](https://github.com/clap-rs/clap) from 0.2.31 to 0.3.0.
- [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_mangen-v0.2.31...clap_mangen-v0.3.0)

---
updated-dependencies:
- dependency-name: clap_mangen
  dependency-version: 0.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ release = false
 bzip2 = "0.6"
 clap = { version = "4.5", features = ["derive"] }
 clap-markdown = { git = "https://github.com/ChanTsune/clap-markdown.git", branch = "issue/54" }
-clap_mangen = "0.2"
+clap_mangen = "0.3"
 flate2 = "1.1"
 libpna = { path = "../lib" }
 liblzma = { version = "0.4", features = ["static"] }