Add 50080 Error code

src/Discord.Net.Core/DiscordErrorCode.cs

@@ -143,6 +143,7 @@ namespace Discord
         InvalidGuild = 50055,
         PaymentSourceRequiredForGift = 50070,
         CannotDeleteRequiredCommunityChannel = 50074,
+        CannotEditStickersWithinAMessage = 50080,
         InvalidSticker = 50081,
         CannotExecuteOnArchivedThread = 50083,
         InvalidThreadNotificationSettings = 50084,