Bump python-telegram-bot from 13.6 to 13.7

Bumps [python-telegram-bot](https://github.com/python-telegram-bot/python-telegram-bot) from 13.6 to 13.7.
- [Release notes](https://github.com/python-telegram-bot/python-telegram-bot/releases)
- [Changelog](https://github.com/python-telegram-bot/python-telegram-bot/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-telegram-bot/python-telegram-bot/compare/v13.6...v13.7)

---
updated-dependencies:
- dependency-name: python-telegram-bot
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -6,7 +6,7 @@ ccxt==1.52.40
 cryptography==3.4.7
 aiohttp==3.7.4.post0
 SQLAlchemy==1.4.20
-python-telegram-bot==13.6
+python-telegram-bot==13.7
 arrow==1.1.1
 cachetools==4.2.2
 requests==2.25.1