Bump python-telegram-bot from 13.15 to 20.4

Bumps [python-telegram-bot](https://github.com/python-telegram-bot/python-telegram-bot) from 13.15 to 20.4.
- [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](python-telegram-bot/python-telegram-bot@v13.15...v20.4)

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

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

pyproject.toml

@@ -26,7 +26,7 @@ prometheus-client = "^0.17.0"
 pycron = "^3.0.0"
 python = ">=3.9,<3.13"
 python-pushsafer = "^1.1"
-python-telegram-bot = "^13.15"
+python-telegram-bot = "^20.4"
 requests = "^2.31.0"
 
 [tool.poetry.group.build.dependencies]