[red-knot] add dev dependency on ruff_db os feature from red_knot_pyt… #31596

Job	Run time
Determine changes	9s
mkdocs	2m 34s
cargo fmt	15s
pre-commit	55s
python package	1m 32s
benchmarks	5m 4s
cargo clippy	2m 5s
cargo build (msrv)	3m 28s
cargo build (release)	4m 56s
cargo fuzz	4m 13s
cargo shear	20s
cargo test (linux)	3m 55s
cargo test (wasm)	1m 39s
cargo test (windows)	8m 15s
formatter instabilities and black similarity	0s
test scripts	1m 4s
ecosystem	8m 54s
test ruff-lsp	16s
Fuzz the parser	0s
	49m 34s

Provide feedback