chore: Bump Rust version to 1.80 (#15186)

Release Notes:

- N/A

crates/project/src/project.rs

@@ -10844,7 +10844,7 @@ impl<'a> fuzzy::PathMatchCandidateSet<'a> for PathMatchCandidateSet {
         } else if self.include_root_name {
             format!("{}/", self.snapshot.root_name()).into()
         } else {
-            "".into()
+            Arc::default()
         }
     }