Bump clap from 4.3.19 to 4.4.4

Bumps [clap](https://github.com/clap-rs/clap) from 4.3.19 to 4.4.4.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@v4.3.19...v4.4.4)

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

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

Cargo.toml

@@ -15,7 +15,7 @@ repository = "https://github.com/nathansam/bibget"
 tokio = { version = "1.29.1", features = ["full"], default-features = false }
 futures = { default-features = false, version = "0.3.28" }
 doi2bib = "0.1.6"
-clap = {version = "4.3.19", features = ["derive", "std"], default-features = false }
+clap = {version = "4.4.4", features = ["derive", "std"], default-features = false }
 
 [dev-dependencies]
 assert_cmd = "2.0.12"