Bump python-telegram-bot from 20.5 to 20.7 (#116)

Bumps [python-telegram-bot](https://github.com/python-telegram-bot/python-telegram-bot) from 20.5 to 20.7.
- [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](python-telegram-bot/python-telegram-bot@v20.5...v20.7)

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

Pipfile

@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [packages]
-python-telegram-bot = "~=20.5"
+python-telegram-bot = "~=20.7"
 emoji = "*"
 
 [dev-packages]