Update TDLib schema to the latest layer

_schema/tdapi.tl

@@ -1,7 +1,7 @@
 // Code generated by ./cmd/dltl, DO NOT EDIT.
 //
 // Source: https://raw.githubusercontent.com/tdlib/td/master/td/generate/scheme/td_api.tl
-// SHA256: b3ce893c8a814da41748b8399a852630cf9456ee18a16d806a6674cf4e3584b2
+// SHA256: aa49d0f4e834c95acbd6e60cbd7940c4ee907c3da622506b5fe0d36df04b1beb
 
 double#2210c154 ? = Double;
 
@@ -2485,7 +2485,7 @@ messageExtendedMediaUnsupported#141f5020 caption:formattedText = MessageExtended
 //@boosted_chat_id Identifier of the channel chat, which will be automatically boosted by the winners of the giveaway for duration of the Premium subscription
 //@additional_chat_ids Identifiers of other channel chats that must be subscribed by the users to be eligible for the giveaway. There can be up to getOption("giveaway_additional_chat_count_max") additional chats
 //@winners_selection_date Point in time (Unix timestamp) when the giveaway is expected to be performed; must be 60-getOption("giveaway_duration_max") seconds in the future in scheduled giveaways
-//@only_new_members True, if only new subscribers of the chats will be eligible for the giveaway
+//@only_new_members True, if only new members of the chats will be eligible for the giveaway
 //@country_codes The list of two-letter ISO 3166-1 alpha-2 codes of countries, users from which will be eligible for the giveaway. If empty, then all users can participate in the giveaway.
 premiumGiveawayParameters#de917baf boosted_chat_id:int53 additional_chat_ids:vector<int53> winners_selection_date:int32 only_new_members:Bool country_codes:vector<string> = PremiumGiveawayParameters;