Clippyfy (#6341)

* Add clippy config and remove .cargo from gitignore

* first fixes

* Clippyfied

* Add clippy CI job

* comment out rusty-cachier

* minor

* fix ci

* remove DAG from check-dependent-project

* add DAG to clippy

Co-authored-by: alvicsam <alvicsam@gmail.com>

polkadot/runtime/parachains/src/initializer.rs

@@ -247,7 +247,7 @@ impl<T: Config> Pallet<T> {
 
 		let validators = shared::Pallet::<T>::initializer_on_new_session(
 			session_index,
-			random_seed.clone(),
+			random_seed,
 			&new_config,
 			all_validators,
 		);