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/text_system/line.rs

@@ -1,7 +1,7 @@
 use crate::{
-    black, fill, point, px, size, App, Bounds, Half, Hsla, LineLayout, Pixels, Point, Result,
-    SharedString, StrikethroughStyle, TextAlign, UnderlineStyle, Window, WrapBoundary,
-    WrappedLineLayout,
+    App, Bounds, Half, Hsla, LineLayout, Pixels, Point, Result, SharedString, StrikethroughStyle,
+    TextAlign, UnderlineStyle, Window, WrapBoundary, WrappedLineLayout, black, fill, point, px,
+    size,
 };
 use derive_more::{Deref, DerefMut};
 use smallvec::SmallVec;