Update python-telegram-bot requirement (#1322)

Updates the requirements on [python-telegram-bot](https://github.com/python-telegram-bot/python-telegram-bot) to permit the latest version.
- [Release notes](https://github.com/python-telegram-bot/python-telegram-bot/releases)
- [Changelog](https://github.com/python-telegram-bot/python-telegram-bot/blob/v21.11.1/CHANGES.rst)
- [Commits](python-telegram-bot/python-telegram-bot@v21.9...v21.11.1)

---
updated-dependencies:
- dependency-name: python-telegram-bot
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -31,4 +31,4 @@ PyPDF2>=1.26,<3.1  # https://github.com/mstamy2/PyPDF2/blob/master/CHANGELOG
 prometheus-client>=0.7,<0.22  # https://pypi.org/project/prometheus-client
 
 # Only for cmsTelegramBot
-python-telegram-bot>=21.9,<21.10 # https://pypi.org/project/python-telegram-bot
+python-telegram-bot>=21.9,<21.12 # https://pypi.org/project/python-telegram-bot