Replace isort and black with ruff #2877

Job	Run time
changes	4s
lint-crlf	3s
check-lockfile	4s
lint-newsfile	37s
check-schema-delta	40s
lint	32s
check-sampleconfig	46s
Typechecking	1m 49s
lint-clippy	20s
lint-clippy-nightly	30s
lint-pydantic	42s
lint-readme	0s
lint-rustfmt	17s
linting-done	2s
calculate-test-jobs	4s
trial-olddeps	7m 32s
portdb (3.8, 11)	5m 46s
portdb (3.11, 15)	5m 49s
cargo-bench	0s
cargo-test	0s
complement (monolith, SQLite)	12m 51s
complement (monolith, Postgres)	14m 23s
trial-pypy	0s
complement (workers, Postgres)	20m 27s
sytest (focal)	8m 35s
sytest (focal, postgres)	10m 37s
trial (3.8, sqlite, all)	8m 46s
sytest (focal, multi-postgres, workers)	13m 20s
trial (3.8, postgres, 11, all)	14m 58s
sytest (focal, multi-postgres, workers, asyncio)	20m 23s
trial (3.8, sqlite)	7m 26s
export-data	5m 15s
tests-done	3s
	2h 42m 41s

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