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/reversi/game.vue

@@ -113,8 +113,8 @@ onUnmounted(() => {
 	}
 });
 
-definePageMetadata(computed(() => ({
+definePageMetadata(() => ({
 	title: 'Reversi',
 	icon: 'ti ti-device-gamepad',
-})));
+}));
 </script>