chore: Bump Rust edition to 2024 (#27800)

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

Release Notes:

- N/A

crates/assistant_tools/src/batch_tool.rs

@@ -1,5 +1,5 @@
 use crate::schema::json_schema_for;
-use anyhow::{anyhow, Result};
+use anyhow::{Result, anyhow};
 use assistant_tool::{ActionLog, Tool, ToolWorkingSet};
 use futures::future::join_all;
 use gpui::{App, AppContext, Entity, Task};