Add missing serde feature for URL

Author: mre

crates/terraphim_automata/Cargo.toml

@@ -24,4 +24,4 @@ serde_json = "1"
 thiserror = "1.0.30"
 tokio = { version = "1", features = ["full"] }
 log = "0.4"
-url = "2.5.0"
+url = { version = "2.5.0", features = ["serde"] }