Update Rust crate serde to 1.0.227

Author: oxide-renovate[bot]

Cargo.toml

@@ -8,7 +8,7 @@ members = [
 
 [workspace.dependencies]
 softnpu = { path = "lib" }
-serde = { version = "1.0.226", features = ["derive"] }
+serde = { version = "1.0.227", features = ["derive"] }
 serde_json = "1.0.145"
 tokio = { version = "1.47.1", features = ["sync", "net"] }
 anyhow = "1.0.100"