fix vue-ts template

Author: amrbashir

.changes/vue-ts.md

@@ -0,0 +1,5 @@
+---
+"create-tauri-app": "patch"
+---
+
+Add missing `lang="ts"` for `App.vue` in `vue-ts` template

packages/cli/fragments/fragment-vue-ts/src/App.vue

@@ -1,4 +1,4 @@
-<script setup>
+<script setup lang="ts">
 // This starter template is using Vue 3 <script setup> SFCs
 // Check out https://vuejs.org/api/sfc-script-setup.html#script-setup
 import Greet from "./components/Greet.vue";