chore(deps): update rust crate clap_mangen to 0.3.0

Author: renovate[bot]

Cargo.lock

@@ -34,7 +34,7 @@ uutests = "0.7.0"
 ctor = "0.6.0"
 clap = { version = "4.5.4", features = ["wrap_help", "cargo"] }
 clap_complete = "4.5.2"
-clap_mangen = "0.2.20"
+clap_mangen = "0.3.0"
 regex = "1.10.4"
 libc = "0.2.154"
 errno = "0.3"