Bump twine from 3.3.0 to 3.4.1 in /clients/python

Bumps [twine](https://github.com/pypa/twine) from 3.3.0 to 3.4.1.
- [Release notes](https://github.com/pypa/twine/releases)
- [Changelog](https://github.com/pypa/twine/blob/master/docs/changelog.rst)
- [Commits](pypa/twine@3.3.0...3.4.1)

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