[store] other use default client factory

Core/Startup.cs

@@ -55,6 +55,7 @@ namespace Kruzya.TelegramBot.Core
             services.AddHostedService<DeleteService>();
 
             services.AddScoped<IOptionProvider, DbOptionProvider>();
+            services.AddHttpClient();
 
             // Trigger module handlers.
             _core.Modules.ConfigureServices(services);