Run ruff with tox #212

Job	Run time	Billable time
test latest / Django@-main / Python@3.8	1m 37s	0s
test old stuff / Django@3.2 / Python@3.7	46m 4s	0s
test latest / Django@4.0 / Python@3.8	1m 31s	0s
build_and_package_sanity (3.11)	1m 31s	0s
sanity / django_not_installed	1m 14s	0s
test old stuff / Django@3.1 / Python@3.7	45m 39s	0s
test latest / Django@-main / Python@3.9	1m 34s	0s
sanity / ruff	1m 1s	0s
test old stuff / Django@3.0 / Python@3.7	45m 55s	0s
test latest / Django@4.0 / Python@3.9	1m 26s	0s
sanity / pylint	1m 14s	0s
test old stuff / Django@2.2 / Python@3.7	45m 29s	0s
test latest / Django@-main / Python@3.10	1m 29s	0s
sanity / readme	1m 9s	0s
test old stuff / Django@3.2 / Python@3.8	1m 21s	0s
test latest / Django@4.0 / Python@3.10	1m 20s	0s
test old stuff / Django@3.1 / Python@3.8	1m 26s	0s
test latest / Django@-main / Python@3.11	1m 22s	0s
test old stuff / Django@3.0 / Python@3.8	1m 27s	0s
test latest / Django@4.0 / Python@3.11	1m 18s	0s
test old stuff / Django@2.2 / Python@3.8	1m 35s	0s
test latest / Django@-main / Python@3.12	1m 24s	0s
test old stuff / Django@3.2 / Python@3.9	1m 21s	0s
test latest / Django@4.0 / Python@3.12	1m 26s	0s
test old stuff / Django@3.1 / Python@3.9	1m 34s	0s
test old stuff / Django@3.0 / Python@3.9	1m 32s	0s
test old stuff / Django@2.2 / Python@3.9	1m 24s	0s
	3h 35m 23s	0s

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