chore(deps): update rust crate tower_governor to 0.4.0

Author: renovate[bot]

Cargo.lock

@@ -31,7 +31,7 @@ axum-extra = { version = "0.9.3", features = [
     "typed-header",
 ], default-features = false }
 autometrics = { version = "1.0.1", features = ["prometheus-exporter"] }
-tower_governor = "0.3.2"
+tower_governor = "0.4.0"
 tower-http = { version = "0.5.2", features = [
     "cors",
     "normalize-path",