Update django-redis to 4.11.0

[pyup-bot]

This PR updates django-redis from 4.8.0 to 4.11.0.

Changelog

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/niwibe/django-redis

[pyup-bot]

Closing this in favor of #965