Allow too many arguments (#26375)

This is nearly half of our #allows, and seems like something we happily
break whenever we need

Release Notes:

- N/A

crates/collab/src/tests/randomized_test_helpers.rs

@@ -463,7 +463,6 @@ impl<T: RandomizedTest> TestPlan<T> {
         })
     }
 
-    #[allow(clippy::too_many_arguments)]
     async fn apply_server_operation(
         plan: Arc<Mutex<Self>>,
         deterministic: BackgroundExecutor,