fix: Added Django 4.0, Python 3.10, and DRF 3.13 support

[john-whiting]

• Updated to add support for newest versions of python and dependencies.
• Updated tox tests to include the new versions
• Removed deprecated functions

[john-whiting]

Fixes Issue: #106

[andylamp]

@fitodic could you please approve this... unless there is any obvious reason not to?

[fitodic]

Hi, sorry for the delay. I just merged it and released 1.19.2

[n0mn0m]

Thank you @fitodic