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/semantic_index/src/worktree_index.rs

@@ -116,7 +116,6 @@ impl WorktreeIndex {
         })
     }
 
-    #[allow(clippy::too_many_arguments)]
     pub fn new(
         worktree: Entity<Worktree>,
         db_connection: heed::Env,