Update urllib3 to 2.1.0

[pyup-bot]

This PR updates urllib3 from 2.0.4 to 2.1.0.

Changelog

2.1.0

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

Read the `v2 migration guide <https://urllib3.readthedocs.io/en/latest/v2-migration-guide.html>`__ for help upgrading to the latest version of urllib3.

Removals
--------

- Removed support for the deprecated urllib3[secure] extra. (`2680 <https://github.com/urllib3/urllib3/issues/2680>`__)
- Removed support for the deprecated SecureTransport TLS implementation. (`2681 <https://github.com/urllib3/urllib3/issues/2681>`__)
- Removed support for the end-of-life Python 3.7. (`3143 <https://github.com/urllib3/urllib3/issues/3143>`__)


Bugfixes
--------

- Allowed loading CA certificates from memory for proxies. (`3065 <https://github.com/urllib3/urllib3/issues/3065>`__)
- Fixed decoding Gzip-encoded responses which specified ``x-gzip`` content-encoding. (`3174 <https://github.com/urllib3/urllib3/issues/3174>`__)

2.0.7

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

* Made body stripped from HTTP requests changing the request method to GET after HTTP 303 "See Other" redirect responses.

2.0.6

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

* Added the ``Cookie`` 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``.

2.0.5

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

- Allowed pyOpenSSL third-party module without any deprecation warning. (`3126 <https://github.com/urllib3/urllib3/issues/3126>`__)
- Fixed default ``blocksize`` of ``HTTPConnection`` classes to match high-level classes. Previously was 8KiB, now 16KiB. (`3066 <https://github.com/urllib3/urllib3/issues/3066>`__)

Links

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

[pyup-bot]

Closing this in favor of #337