fix: apply dart format

packages/wyatt_authentication_bloc/lib/src/data/data_sources/local/authentication_mock_cache_data_source_impl.dart

@@ -32,8 +32,8 @@ class AuthenticationMockCacheDataSourceImpl<Data>
   @override
   Future<Account?> getCachedAccount() async {
     await Future<void>.delayed(const Duration(milliseconds: 200));
-    
-return null;
+
+    return null;
   }
 
   @override