types: fix new types issues (#829)

* feat: add tests for deleting channel overwrites

* fix: typings

src/helpers/messages/publish_message.ts

@@ -1,13 +1,14 @@
 import { rest } from "../../rest/rest.ts";
 import { structures } from "../../structures/mod.ts";
+import { DiscordMessage } from "../../types/messages/message.ts";
 import { endpoints } from "../../util/constants.ts";
 
 /** Crosspost a message in a News Channel to following channels. */
 export async function publishMessage(channelId: string, messageId: string) {
   const data = (await rest.runMethod(
     "post",
-    endpoints.CHANNEL_MESSAGE_CROSSPOST(channelId, messageId),
-  )) as MessageCreateOptions;
+    endpoints.CHANNEL_MESSAGE_CROSSPOST(channelId, messageId)
+  )) as DiscordMessage;
 
   return structures.createDiscordenoMessage(data);
 }