refactor: Rename create_post_in_forum method to create_forum_post

Author: Nanrech

interactions/api/models/channel.py

@@ -1664,7 +1664,7 @@ async def delete_tag(
 
         return await self._client.delete_tag(int(self.id), _tag_id)
 
-    async def create_post_in_forum(
+    async def create_forum_post(
         self,
         name: str,
         content: Union[