fix: disable default features for dep "tower"

Author: hasezoey

Cargo.toml

@@ -28,7 +28,7 @@ socket2 = { version = "0.5", optional = true, features = ["all"] }
 tracing = { version = "0.1", default-features = false, features = ["std"], optional = true }
 tokio = { version = "1", optional = true, features = ["net", "rt", "time"] }
 tower-service ={ version = "0.3", optional = true }
-tower = { version = "0.4.1", optional = true, features = ["make", "util"] }
+tower = { version = "0.4.1", optional = true, default-features = false, features = ["make", "util"] }
 
 [dev-dependencies]
 hyper = { version = "1.2.0", features = ["full"] }