import { Api } from "https://deno.land/x/grammy@v1.27.0/core/api.ts";
Use this method to set a custom title for an administrator in a supergroup promoted by the bot. Returns True on success.
Parameters
Unique identifier for the target chat or username of the target supergroup (in the format @supergroupusername)
optional
signal: AbortSignalOptional AbortSignal
to cancel the request
Official reference: https://core.telegram.org/bots/api#setchatadministratorcustomtitle