feat(Notification): allow ring customization with {color} (#1830)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/overlays/Notification.vue

@@ -131,7 +131,8 @@ export default defineComponent({
         ui.value.wrapper,
         ui.value.background?.replaceAll('{color}', props.color),
         ui.value.rounded,
-        ui.value.shadow
+        ui.value.shadow,
+        ui.value.ring?.replaceAll('{color}', props.color)
       ), props.class)
     })