chore: Bump Rust edition to 2024 (#27800)

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

Release Notes:

- N/A

crates/channel/src/channel_buffer.rs

@@ -5,8 +5,8 @@ use collections::HashMap;
 use gpui::{App, AppContext as _, AsyncApp, Context, Entity, EventEmitter, Task};
 use language::proto::serialize_version;
 use rpc::{
-    proto::{self, PeerId},
     AnyProtoClient, TypedEnvelope,
+    proto::{self, PeerId},
 };
 use std::{sync::Arc, time::Duration};
 use text::BufferId;