fix(frontend/pageMetadata): ページタイトルが更新されない問題 (#13289)

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>
Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/frontend/src/pages/settings/migration.vue

@@ -121,10 +121,10 @@ async function save(): Promise<void> {
 
 init();
 
-definePageMetadata({
+definePageMetadata(() => ({
 	title: i18n.ts.accountMigration,
 	icon: 'ti ti-plane',
-});
+}));
 </script>
 
 <style lang="scss">