Adds Django 5.0 to test matrix

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (6fae9cf) 74.30% compared to head (16b04b2) 74.30%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #128 +/- ## ======================================= Coverage 74.30% 74.30% ======================================= Files 23 23 Lines 541 541 ======================================= Hits 402 402 Misses 139 139 ```

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