The documentation for adding `FakeRedis` as a cache backend in Django is outdated.

[ulmus]

Describe the bug The documentation for adding FakeRedis as a cache backend in Django is outdated.

To Reproduce Steps to reproduce the behavior:

1. Try to add FakeRedis as cache backend by setting the CONNECTION_CLASS in "OPTIONS" to FakeConnection
2. The connection fails, because the FakeConnection is never initialized

Expected behavior FakeRedis should have been used instead of ordinary Redis for the Django cache

Screenshots None

Desktop (please complete the following information):

• OS: macOS
• python version: 3.8
• redis-py version: 5.0.1
• django version: 3.2.20
• django-redis version: 5.4.0
• full requirements.txt?: Can't disclose

Additional context The correct setting should be CONNECTION_POOL_CLASS_KWARGS setting to {"connection_class": FakeConnection} Pull request here https://github.com/cunla/fakeredis-py/pull/284