fix(ui-react): add aria-hidden to Select expand icon (#5256)

* fix(ui-react): add aria-hidden to Select expand icon

* Create chilly-penguins-relate.md

Author: zchenwei

Diff for: .changeset/chilly-penguins-relate.md

@@ -0,0 +1,5 @@
+---
+"@aws-amplify/ui-react": patch
+---
+
+fix(ui-react): add aria-hidden to Select expand icon

Diff for: packages/react/src/primitives/Select/Select.tsx

@@ -81,6 +81,7 @@ const SelectPrimitive: Primitive<SelectProps, 'select'> = (
             classNameModifier(ComponentClassName.SelectIcon, size)
           )}
           color={iconColor}
+          aria-hidden="true"
         >
           {icon ?? icons?.expand ?? <IconExpandMore />}
         </Flex>