fix missing item in hot reloading diffing

packages/rsx/Cargo.toml

@@ -20,6 +20,7 @@ quote = { version = "1.0" }
 serde = { version = "1.0", features = ["derive"], optional = true }
 internment = { version = "0.7.0", optional = true }
 krates = { version = "0.12.6", optional = true }
+tracing.workspace = true
 
 [features]
 hot_reload = ["krates", "internment"]