Add missing methods to IComponentInteraction (#2201)

src/Discord.Net.Rest/Entities/Interactions/MessageComponents/RestMessageComponent.cs

@@ -492,5 +492,13 @@ namespace Discord.Rest
 
         /// <inheritdoc/>
         IUserMessage IComponentInteraction.Message => Message;
+
+        /// <inheritdoc />
+        Task IComponentInteraction.UpdateAsync(Action<MessageProperties> func, RequestOptions options)
+            => Task.FromResult(Update(func, options));
+
+        /// <inheritdoc />
+        Task IComponentInteraction.DeferLoadingAsync(bool ephemeral, RequestOptions options)
+            => Task.FromResult(DeferLoading(ephemeral, options));
     }
 }