deps: update rust crate clap to v4

Author: renovate[bot]

libs/utils/cap/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "3", features = ["derive"] }
+clap = { version = "4", features = ["derive"] }
 eyre = "0.6"
 futures = "0.3"
 k8s-openapi = { version = "0.14", default-features = false }