Update clap requirement from 3.0.0-rc.9 to 4.4.18

Updates the requirements on [clap](https://github.com/clap-rs/clap) to permit the latest version.
- [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_generate-v3.0.0-rc.9...v4.4.18)

---
updated-dependencies:
- dependency-name: clap
  dependency-type: direct:production
...

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

example-service/Cargo.toml

@@ -15,7 +15,7 @@ description = "An example server built on tarpc."
 
 [dependencies]
 anyhow = "1.0"
-clap = { version = "3.0.0-rc.9", features = ["derive"] }
+clap = { version = "4.4.18", features = ["derive"] }
 log = "0.4"
 futures = "0.3"
 opentelemetry = { version = "0.21.0" }