await bot.launch() hangs forever during long polling in latest version

[rikumi]

Context

• Telegraf.js Version: 4.16.3
• Node.js Version: 16.18.1 / 18.20.1
• Operating System: macOS / Debian

Minimal Example Code Reproducing the Issue

const bot = new Telegraf(config.telegramBotToken);
bot.launch().then(() => console.log('Bot started!'))

Expected Behavior

bot.launch() should resolve when long polling begins.

This was true in Telegraf v4.4.0.

Current Behavior

bot.launch() hangs forever when long polling runs.

Error Message and Logs (export DEBUG='telegraf:*')

N/A

[MKRhere]

Duplicate: #1749