import { Api } from "https://dotland.deno.dev/x/grammy@v1.19.1/mod.ts";
Use this method to get the current value of the bot's menu button in a private chat, or the default menu button. Returns MenuButton on success.
Parameters
Optional AbortSignal to cancel the request
Official reference: https://core.telegram.org/bots/api#getchatmenubutton