chore: update to vue 3.3

src/pages/index.vue

@@ -3,12 +3,12 @@ defineOptions({
   name: 'IndexPage',
 })
 
-const name = $ref('')
+const name = ref('')
 
 const router = useRouter()
 function go() {
-  if (name)
-    router.push(`/hi/${encodeURIComponent(name)}`)
+  if (name.value)
+    router.push(`/hi/${encodeURIComponent(name.value)}`)
 }
 </script>