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/admin/object-storage.vue

@@ -149,10 +149,10 @@ function save() {
 
 const headerTabs = computed(() => []);
 
-definePageMetadata({
+definePageMetadata(() => ({
 	title: i18n.ts.objectStorage,
 	icon: 'ti ti-cloud',
-});
+}));
 </script>
 
 <style lang="scss" module>