refactor: Address a few sonarlint issues

src/Recyclarr.Cache/CacheAutofacModule.cs

@@ -7,6 +7,5 @@ public class CacheAutofacModule : Module
     protected override void Load(ContainerBuilder builder)
     {
         builder.RegisterType<CacheStoragePath>().As<ICacheStoragePath>();
-        // builder.RegisterGeneric(typeof(CachePersister<>)).As(typeof(ICachePersister<>));
     }
 }

src/Recyclarr.Gui/Program.cs

@@ -45,4 +45,4 @@ app.UseRouting();
 app.MapBlazorHub();
 app.MapFallbackToPage("/_Host");
 
-app.Run();
+await app.RunAsync();