chore: Bump Rust edition to 2024 (#27800)

Follow-up to https://github.com/zed-industries/zed/pull/27791

Release Notes:

- N/A

crates/gpui/src/platform/mac/dispatcher.rs

@@ -13,7 +13,7 @@ use parking::{Parker, Unparker};
 use parking_lot::Mutex;
 use std::{
     ffi::c_void,
-    ptr::{addr_of, NonNull},
+    ptr::{NonNull, addr_of},
     sync::Arc,
     time::Duration,
 };