Switch linting from ufmt+usort+flake8+black to Ruff #668

Job	Run time
coverage	2m 42s
lint	1m 14s
docs	1m 53s
Rust unit tests (ubuntu-latest)	1m 54s
Rustfmt	12s
Rust unit tests (macos-latest)	2m 17s
Rust unit tests (windows-latest)	3m 38s
test (macos-latest, 3.8)	3m 23s
typecheck	1m 27s
test (macos-latest, 3.9)	4m 36s
test (macos-latest, 3.10)	3m 33s
test (macos-latest, 3.11)	3m 51s
test (macos-latest, 3.12-dev)	3m 52s
test (ubuntu-latest, 3.8)	2m 7s
test (ubuntu-latest, 3.9)	2m 0s
test (ubuntu-latest, 3.10)	2m 7s
test (ubuntu-latest, 3.11)	2m 15s
test (ubuntu-latest, 3.12-dev)	2m 33s
test (windows-latest, 3.8)	4m 24s
test (windows-latest, 3.9)	2m 35s
test (windows-latest, 3.10)	4m 18s
test (windows-latest, 3.11)	3m 38s
test (windows-latest, 3.12-dev)	3m 58s
	1h 4m 27s

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