Update django-redis to 4.12.1

[pyup-bot]

This PR updates django-redis from 4.8.0 to 4.12.1.

Changelog

4.12.1

--------------

Date: 2020-05-27

- No code changes.
- Fixed a typo in setup.cfg metadata preventing a successful release.

4.12.0

--------------

Date: 2020-05-27

- The project has moved to `Jazzband <https://jazzband.co/>`_. This is the
first release under the new organization. The new repository URL is
`<https://github.com/jazzband/django-redis>`_.
- Removed support for end-of-life Django < 2.2.
- Removed support for unmaintained redis-py 2.X.
- Changed uses of deprecated ``smart_text()`` to ``smart_str()``.
- Fixed deprecation warning with the msgpack serializer.
- The ``.touch()`` method now uses the default timeout, to cache forever pass
``None``.
- Subclasses of ``JSONSerializer`` can now override the ``encoder_class``
attribute to change the JSON encoder. It defaults to ``DjangoJSONEncoder``.
- Fixed ``DefaultClient.set()`` to work with empty ``Pipeline``.
- The ``thread_local`` parameter is now forwarded to the Redis client.

4.11.0

--------------

Date: 2019-12-13

- Removed support for Python 2.7 and 3.4.
- Removed support for Django 2.0 and 2.1.
- Added support for Python 3.8.
- Added support for Django 2.2 and 3.0.
- Changed msgpack-python soft dependency to msgpack.
- Fixed ``.touch()`` method for sharded client.
- Fixed prefix escaping for the sharded client.
- Fixed ``.add()`` method to return a bool.

4.10.0

--------------

Date: 2018-10-19

- Add support and testing for Django 2.1 and Python 3.7. No actual code changes
were required.
- Add support for redis-py 3.0.
- Add touch command.

4.9.1

-------------

Date: 2018-10-19

- Pin redis version to 2.10.6

4.9.0

-------------

Date: 2018-03-01

- Add testing and support for Django 2.0. No actual code changes were required.
- Escape ``KEY_PREFIX`` and ``VERSION`` when used in glob expressions.
- Improve handling timeouts less than 1ms.
- Remove fakeredis support.
- Add datetime, date, time, and timedelta serialization support to the JSON
serializer.
- The deprecated feature of passing ``True`` as a timeout value is no longer
supported.
- Fix ``add()`` with a negative timeout to not store key (it is immediately
invalid).
- Remove support for Django < 1.11.
- Add support for atomic incr if key is not set.

Links

• PyPI: https://pypi.org/project/django-redis
• Changelog: https://pyup.io/changelogs/django-redis/
• Repo: https://github.com/jazzband/django-redis

[pyup-bot]

Closing this in favor of #1342