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/buffer_diff/src/buffer_diff.rs

@@ -828,7 +828,6 @@ impl BufferDiff {
         Some(start..end)
     }
 
-    #[allow(clippy::too_many_arguments)]
     pub async fn update_diff(
         this: Entity<BufferDiff>,
         buffer: text::BufferSnapshot,