Update clap requirement from 3.1 to 4.4

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_complete-v3.1.0...clap_complete-v4.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

ctl/Cargo.toml

@@ -9,6 +9,6 @@ repository = "https://github.com/tikv/raft-engine"
 license = "Apache-2.0"
 
 [dependencies]
-clap = { version = "3.1", features = ["derive", "cargo"] }
+clap = { version = "4.4", features = ["derive", "cargo"] }
 env_logger = "0.10"
 raft-engine = { path = "..", version = "0.3.0", features = ["scripting", "internals"] }

stress/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["The TiKV Authors"]
 edition = "2018"
 
 [dependencies]
-clap = { version = "3.1", features = ["derive", "cargo"] }
+clap = { version = "4.4", features = ["derive", "cargo"] }
 const_format = "0.2.13"
 hdrhistogram = "7.4"
 num-traits = "0.2"