Method to set a new group sticker set for a supergroup
Unique identifier for the target chat or username of the target channel (in the format "@channelusername")
Name of the sticker set to be set as the group sticker set
TelegramBot.setChatStickerSet, https://core.telegram.org/bots/api#setchatstickerset
See Implementation
Method to set a new group sticker set for a supergroup