Updated Python and Django version support #125

Job	Run time
Visual tests	56s
build (Python 3.8, Django 4.2)	1m 23s
Run tox environment quality	31s
build (Python 3.8, Django 5.0)	1m 21s
Run tox environment dist-validation	18s
build (Python 3.8, Django 5.1)	1m 29s
build (Python 3.8, Django main)	1m 23s
build (Python 3.9, Django 4.2)	1m 29s
build (Python 3.9, Django 5.0)	1m 25s
build (Python 3.9, Django 5.1)	1m 24s
build (Python 3.9, Django main)	1m 23s
build (Python 3.10, Django 4.2)	1m 24s
build (Python 3.10, Django 5.0)	1m 17s
build (Python 3.10, Django 5.1)	1m 20s
build (Python 3.10, Django main)	1m 26s
build (Python 3.11, Django 4.2)	1m 13s
build (Python 3.11, Django 5.0)	1m 20s
build (Python 3.11, Django 5.1)	1m 24s
build (Python 3.11, Django main)	1m 23s
build (Python 3.12, Django 4.2)	1m 16s
build (Python 3.12, Django 5.0)	1m 21s
build (Python 3.12, Django 5.1)	1m 22s
build (Python 3.12, Django main)	1m 20s
	29m 8s

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