Changes:
- Updated from python-telegram-bot 13.15 to 22.5
- Changed from sync API to async/await pattern
- Updated all command handlers to async
- Updated Application builder (new API)
- Fixed ModuleNotFoundError: No module named 'telegram'
Technical changes:
- Updater -> Application.builder()
- CommandHandler now uses async functions
- Context.DEFAULT_TYPE instead of CallbackContext
- await for all telegram API calls
Compatibility: python-telegram-bot 22.5 works with Python 3.12
