import { Api } from "https://dotland.deno.dev/x/grammy@v1.12.4/mod.ts";
Use this method to upload a .PNG file with a sticker for later use in createNewStickerSet and addStickerToSet methods (can be used multiple times). Returns the uploaded File on success.
Parameters
png_sticker: InputFile
PNG image with the sticker, must be up to 512 kilobytes in size, dimensions must not exceed 512px, and either width or height must be exactly 512px.
Optional AbortSignal
to cancel the request
Official reference: https://core.telegram.org/bots/api#uploadstickerfile