chore(deps): update rust crate clap_mangen to 0.3

Author: renovate[bot]

Cargo.lock

@@ -53,7 +53,7 @@ feat_common_core = [
 chrono = "0.4"
 clap = { version = "4.4", features = ["wrap_help", "cargo"] }
 clap_complete = "4.4"
-clap_mangen = "0.2"
+clap_mangen = "0.3"
 dns-lookup = "3.0.0"
 errno = "0.3"
 libc = "0.2.171"