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/layout/taffy/layout.rs

@@ -576,7 +576,7 @@ impl TaffyContainer {
     }
 
     #[inline]
-    pub(crate) fn layout_style(&self) -> LayoutStyle {
+    pub(crate) fn layout_style(&self) -> LayoutStyle<'_> {
         LayoutStyle::Default(&self.style)
     }
 }

components/layout/taffy/mod.rs

@@ -91,6 +91,7 @@ pub(crate) struct TaffyItemBox {
     pub(crate) taffy_level_box: TaffyItemBoxInner,
 }
 
+#[allow(clippy::large_enum_variant)]
 #[derive(Debug, MallocSizeOf)]
 pub(crate) enum TaffyItemBoxInner {
     InFlowBox(IndependentFormattingContext),