Add some errors to known errors

KurimuzonAkuma/kurigram@54ee332
KurimuzonAkuma/kurigram@7c9403a

Author: SpEcHiDe

compiler/errors/source/400_BAD_REQUEST.tsv

@@ -489,8 +489,10 @@ SRP_ID_INVALID	Invalid SRP ID provided.
 SRP_PASSWORD_CHANGED	Password has changed.
 STARGIFT_ALREADY_CONVERTED	The specified star gift was already converted to Stars.
 STARGIFT_ALREADY_REFUNDED	The specified star gift was already refunded.
+STARGIFT_ALREADY_TRANSFERRED	The provided star gift was already transferred.
 STARGIFT_ALREADY_UPGRADED	The specified gift was already upgraded to a collectible gift.
 STARGIFT_CONVERT_TOO_OLD	This gift can no longer be converted into stars.
+STARGIFT_EXPORT_UNAVAILABLE	This gift is not available for export yet.
 STARGIFT_INVALID	The passed gift is invalid.
 STARGIFT_MESSAGE_INVALID	The provided message for this gift is invalid.
 STARGIFT_NOT_FOUND	The specified gift was not found.

compiler/errors/source/403_FORBIDDEN.tsv

@@ -44,6 +44,7 @@ PUBLIC_CHANNEL_MISSING	You can only export group call invite links for public ch
 RECAPTCHA_CHECK_X	The request can't be completed unless reCAPTCHA verification {value} is performed; for official mobile applications only
 RIGHT_FORBIDDEN	Your admin rights do not allow you to do this.
 SENSITIVE_CHANGE_FORBIDDEN	You can't change your sensitive content settings.
+STARGIFT_CONVERT_BOT_NOT_ALLOWED	This request cannot be performed by bots.
 TAKEOUT_REQUIRED	A [takeout](https://core.telegram.org/api/takeout) session needs to be initialized first, [see here for more info](https://core.telegram.org/api/takeout).
 USER_BOT_INVALID	User accounts must provide the `bot` method parameter when calling this method. If there is no such method parameter, this method can only be invoked by bot accounts.
 USER_CHANNELS_TOO_MUCH	One of the users you tried to add is already in too many channels/supergroups.