chore: Use `ruff check` instead of `ruff` #43

Job	Run time
Run Django tests (django-checks)	23s
Check formatting (fmt)	23s
Run tests (3.8, 32)	36s
Check formatting (lint)	34s
Run tests (3.8, 42)	40s
Check formatting (mypy)	27s
Run tests (3.9, 32)	34s
Run tests (3.9, 42)	27s
Run tests (3.10, 32)	34s
Run tests (3.10, 42)	31s
Run tests (3.10, 50)	39s
Run tests (3.10, main)	43s
Run tests (3.11, 32)	29s
Run tests (3.11, 42)	32s
Run tests (3.11, 50)	34s
Run tests (3.11, main)	36s
Run tests (3.12, 32)	31s
Run tests (3.12, 42)	34s
Run tests (3.12, 50)	42s
Run tests (3.12, main)	43s
	11m 12s

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