chore: Bump Rust version to 1.88 (#33439)

Goodies in this version:
- if-let chains 🎉
- Better compiler perf for Zed
(https://github.com/rust-lang/rust/pull/138522)

For more, see: https://releases.rs/docs/1.88.0/

Release Notes:

- N/A

---------

Co-authored-by: Junkui Zhang <364772080@qq.com>

crates/search/src/project_search.rs

@@ -1302,7 +1302,7 @@ impl ProjectSearchView {
             let range_to_select = match_ranges[new_index].clone();
             self.results_editor.update(cx, |editor, cx| {
                 let range_to_select = editor.range_for_match(&range_to_select);
-                editor.unfold_ranges(&[range_to_select.clone()], false, true, cx);
+                editor.unfold_ranges(std::slice::from_ref(&range_to_select), false, true, cx);
                 editor.change_selections(Some(Autoscroll::fit()), window, cx, |s| {
                     s.select_ranges([range_to_select])
                 });