Add 30056, 50091, 50144, 50145 Error codes

src/Discord.Net.Core/DiscordErrorCode.cs

@@ -96,6 +96,7 @@ namespace Discord
         #endregion
 
         #region General Request Errors (40XXX)
+        MaximumNumberOfPremiumEmojisReached(25) = 30056,
         TokenUnauthorized = 40001,
         InvalidVerification = 40002,
         OpeningDMTooFast = 40003,
@@ -147,6 +148,7 @@ namespace Discord
         CannotExecuteOnArchivedThread = 50083,
         InvalidThreadNotificationSettings = 50084,
         BeforeValueEarlierThanThreadCreation = 50085,
+        TheEntityTypeOfTheEventIsDifferentFromTheEntityYouAreTryingToStartTheEventFor = 50091,
         ServerLocaleUnavailable = 50095,
         ServerRequiresMonetization = 50097,
         ServerRequiresBoosts = 50101,
@@ -154,6 +156,8 @@ namespace Discord
         #endregion
 
         #region 2FA (60XXX)
+        CannotMixSubscriptionAndNonSubscriptionRolesForAnEmoji = 50144,
+        CannotConvertBetweenPremiumEmojiAndNormalEmoji = 50145,
         Requires2FA = 60003,
         #endregion