backend: require confirmation for signed channel updates [CI]

backend/src/MoShiro.Backend.Storage.Sqlite/StorageServiceCollectionExtensions.cs

@@ -25,6 +25,7 @@ public static class StorageServiceCollectionExtensions
         services.AddSingleton<IRawStore, SqliteRawStore>();
         services.AddSingleton<IMetricStore, SqliteMetricStore>();
         services.AddSingleton<IStorageHealth, SqliteStorageHealth>();
+        services.AddSingleton<IBackendUpdateFiles, BackendUpdateFiles>();
         return services;
     }
 }