Confirm support for Django 4.2

[adamchainz]

Problem

Unclear if the latest Django version is supported.

Solution

Test it!

I ran the new test environment locally with tox and saw no new warnings in the pytest output. So it looks like the package is already compatible!

Commandments

• Write PEP8 compliant code.
• Cover it with tests.
• Update CHANGES.rst file to describe the changes, and quote according issue with GH-<issue_number>.
• Pay attention to backward compatibility, or if it breaks it, explain why.
• Update documentation (if relevant).

[codecov]

Codecov Report

Merging #565 (3678d75) into master (6154436) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #565   +/-   ##
=======================================
  Coverage   95.12%   95.12%           
=======================================
  Files           6        6           
  Lines         820      820           
=======================================
  Hits          780      780           
  Misses         40       40           

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[foarsitter]

Closing this in favor of #562