Enforce ruff/pyupgrade rules (UP) #5578

Job	Run time
test_cygwin (39, windows-latest)	13m 48s
test (3.8, ubuntu-latest)	3m 55s
collateral (diffcov)	5m 16s
test (3.8, windows-latest)	11m 8s
collateral (docs)	2m 0s
test (3.13, ubuntu-latest)	4m 41s
test (3.13, macos-latest)	4m 3s
test (3.13, windows-latest)	9m 6s
test (3.9, ubuntu-latest)	4m 2s
test (3.10, ubuntu-latest)	3m 51s
test (3.11, ubuntu-latest)	3m 53s
test (3.12, ubuntu-latest)	5m 6s
test (3.14, ubuntu-latest)	4m 55s
test (pypy3.10, ubuntu-latest, stdlib)	12m 40s
test (ubuntu-latest, 3.10, stdlib)	4m 6s
test (3.8, macos-13)	8m 18s
integration-test	0s
check	4s
release	0s
	1h 40m 52s

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