Generate one fix per statement for flake8-type-checking rules (astral…

…-sh#4915)

Change `iteration-over-set` to flag set literals only (astral-sh#4907)

Testing Macros: Add `extra-traits` feature (astral-sh#4643)

Bump version to 0.0.269 (astral-sh#4506)

Overhaul sdist handling (astral-sh#4439)

* Reduce sdist size

`maturin sdist && du -sh target/wheels/ruff-0.0.267.tar.gz`:
Before: 1,1M
After: 668K

* Test sdist before release

* Update maturin to fix the sdist

Skip python -m ruff --help on linux-cross

Bump version to 0.0.266 (astral-sh#4391)

Bump version to 0.0.265 (astral-sh#4248)

Bump version to 0.0.264 (astral-sh#4179)

Bump version to 0.0.263 (astral-sh#4086)