cargo: Bump rustc to 1.89 (#36818)

Update Rustc to 1.89.

Reviewable by commit.

Leftover work:
- #37330 
- #38777

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
Co-authored-by: sagudev <16504129+sagudev@users.noreply.github.com>

components/script_bindings/trace.rs

@@ -354,7 +354,7 @@ where
     Heap<T>: JSTraceable + 'static,
     T: GCMethods + Copy,
 {
-    pub fn handle(&self) -> Handle<T> {
+    pub fn handle(&self) -> Handle<'_, T> {
         self.0.handle()
     }
 }