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>

ports/servoshell/egl/app_state.rs

@@ -373,11 +373,11 @@ impl RunningAppState {
         }
     }
 
-    fn inner(&self) -> Ref<RunningAppStateInner> {
+    fn inner(&self) -> Ref<'_, RunningAppStateInner> {
         self.inner.borrow()
     }
 
-    fn inner_mut(&self) -> RefMut<RunningAppStateInner> {
+    fn inner_mut(&self) -> RefMut<'_, RunningAppStateInner> {
         self.inner.borrow_mut()
     }