Clarify `extend-ignore` and `extend-select` settings documentation by mvanhorn · Pull Request #24064 · astral-sh/ruff

Performance Gate Passed

✅ 30 untouched benchmarks
⏩ 27 skipped benchmarks¹

_{Comparing mvanhorn:docs/clarify-extend-ignore-extend-select (f68ffc1) with main (ffeee66)}

27 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩