Update rust-config to 0.15

Signed-off-by: Cristian Le <git@lecris.dev>

Author: LecrisUT

Cargo.lock

@@ -25,7 +25,7 @@ byteorder = "1.5.0"
 cfg-if = "1"
 chrono = { version = "0.4.40", features = ["serde"] }
 clap = { version = "4.5", features = ["derive"] }
-config = { version = "0.13", default-features = false, features = ["toml"] }
+config = { version = "0.15", default-features = false, features = ["toml"] }
 futures = "0.3.6"
 glob = "0.3"
 hex = "0.4"