Update to support django >5 and python >3.12 #174

Job	Run time
Run type checks	23s
Run type checks	23s
Python 3.8	1m 10s
Python 3.8	1m 10s
Python 3.9	54s
Python 3.9	54s
Python 3.10	1m 23s
Python 3.10	1m 19s
Python 3.11	1m 2s
Python 3.11	1m 2s
Python 3.12	1m 4s
Python 3.12	1m 4s
Python 3.13	38s
Python 3.13	38s
Check packaging / Build and check package metadata	2m 24s
Check packaging / Build and check package metadata	2m 24s
Lint / Run pre-commit checks	9s
Lint / Run pre-commit checks	9s
	18m 10s

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