build(deps): bump config from 0.15.14 to 0.15.15 (#145)

Author: dependabot[bot]

Cargo.lock

@@ -27,7 +27,7 @@ tokio = { version = "1.47.1", features = [
 hex = "0.4.3"
 tracing = "0.1.41"
 tracing-subscriber = { version = "0.3.20", features = ["env-filter"] }
-config = { version = "0.15.14", default-features = false, features = [
+config = { version = "0.15.15", default-features = false, features = [
     "toml",
     "json",
 ] }