chore(pyproject.toml): Bump python-telegram-bot from 21.7 to 21.9 (#40)

Bumps [python-telegram-bot](https://github.com/python-telegram-bot/python-telegram-bot) from 21.7 to 21.9.
- [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@v21.7...v21.9)

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

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

pyproject.toml

@@ -21,7 +21,7 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
-    "python-telegram-bot==21.7",
+    "python-telegram-bot==21.9",
     "pydantic==2.10.1",
     "loguru==0.7.3",
     "playwright==1.49.0",