Add Extension<NonCloneType> debug_handler ui test (#2731)

Co-authored-by: Logan Nielsen <[email protected]>

axum-macros/tests/debug_handler/fail/extension_not_clone.rs

@@ -0,0 +1,9 @@
+use axum::extract::Extension;
+use axum_macros::debug_handler;
+
+struct NonCloneType;
+
+#[debug_handler]
+async fn test_extension_non_clone(_: Extension<NonCloneType>) {}
+
+fn main() {}