Update ctrlc2 requirement from 3.7.3 to 4.0.0 (#20)

Author: dependabot[bot]

Cargo.toml

@@ -15,7 +15,7 @@ crate-type = ["staticlib", "cdylib", "rlib"]
 [dependencies]
 chrono = "0.4.44"
 clap = { version = "4.6.1", features = ["derive", "wrap_help"] }
-ctrlc2 = { version = "3.7.3", features = ["async", "termination"] }
+ctrlc2 = { version = "4.0.0", features = ["async", "termination"] }
 dotenvy = "0.15.7"
 env_logger = "0.11.10"
 hickory-proto = "0.26.0"