Support for Django 5.1 #118

Job	Run time
lint	17s
Python 3.8 / Django 3.2	25s
Python 3.8 / Django 4.2	29s
Python 3.9 / Django 3.2	26s
Python 3.9 / Django 4.2	30s
Python 3.10 / Django 3.2	31s
Python 3.10 / Django 4.2	33s
Python 3.10 / Django 5.0	32s
Python 3.10 / Django 5.1	31s
Python 3.11 / Django 3.2	24s
Python 3.11 / Django 4.2	27s
Python 3.11 / Django 5.0	27s
Python 3.11 / Django 5.1	30s
Python 3.12 / Django 3.2	26s
Python 3.12 / Django 4.2	33s
Python 3.12 / Django 5.0	27s
Python 3.12 / Django 5.1	31s
Python pypy-3.10 / Django 3.2	45s
Python pypy-3.10 / Django 4.2	55s
Python pypy-3.10 / Django 5.0	1m 4s
Python pypy-3.10 / Django 5.1	1m 0s
Python 3.12 / Django packaging	27s
Python 3.12 / Django main	12s
Indicate completion to coveralls.io	2s
	12m 24s

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