Update urllib3 to 2.2.2

[pyup-bot]

This PR updates urllib3 from 2.2.1 to 2.2.2.

Changelog

2.2.2

==================

- Added the ``Proxy-Authorization`` header to the list of headers to strip from requests when redirecting to a different host. As before, different headers can be set via ``Retry.remove_headers_on_redirect``.
- Allowed passing negative integers as ``amt`` to read methods of ``http.client.HTTPResponse`` as an alternative to ``None``. (`3122 <https://github.com/urllib3/urllib3/issues/3122>`__)
- Fixed return types representing copying actions to use ``typing.Self``. (`3363 <https://github.com/urllib3/urllib3/issues/3363>`__)

Links

• PyPI: https://pypi.org/project/urllib3
• Changelog: https://data.safetycli.com/changelogs/urllib3/