cargo: bump clap_mangen from 0.1.3 to 0.1.4

Bumps [clap_mangen](https://github.com/clap-rs/clap) from 0.1.3 to 0.1.4.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](https://github.com/clap-rs/clap/compare/clap_mangen-v0.1.3...clap_mangen-v0.1.4)

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

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

Cargo.lock

@@ -266,9 +266,9 @@ dependencies = [
 
 [[package]]
 name = "clap_mangen"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "900e313b78fbb118c46d130c1a979a1f4eab0d9a8f7f139975ff0c38063f431f"
+checksum = "4f074844a73b09dcdf2d972e86d78c0d11ac6e792bd941218d004e9541a62f7b"
 dependencies = [
  "clap 3.1.10",
  "roff",