build(deps-dev): bump ruff from 0.15.8 to 0.15.9

[dependabot]

Bumps ruff from 0.15.8 to 0.15.9.

Release notes

Sourced from ruff's releases.

0.15.9

Release Notes

Released on 2026-04-02.

Preview features

• [pyflakes] Flag annotated variable redeclarations as F811 in preview mode (#24244)
• [ruff] Allow dunder-named assignments in non-strict mode for RUF067 (#24089)

Bug fixes

• [flake8-errmsg] Avoid shadowing existing msg in fix for EM101 (#24363)
• [flake8-simplify] Ignore pre-initialization references in SIM113 (#24235)
• [pycodestyle] Fix W391 fixes for consecutive empty notebook cells (#24236)
• [pyupgrade] Fix UP008 nested class matching (#24273)
• [pyupgrade] Ignore strings with string-only escapes (UP012) (#16058)
• [ruff] RUF072: skip formfeeds on dedent (#24308)
• [ruff] Avoid re-using symbol in RUF024 fix (#24316)
• [ruff] Parenthesize expression in RUF050 fix (#24234)
• Disallow starred expressions as values of starred expressions (#24280)

Rule changes

• [flake8-simplify] Suppress SIM105 for except* before Python 3.12 (#23869)
• [pyflakes] Extend F507 to flag %-format strings with zero placeholders (#24215)
• [pyupgrade] UP018 should detect more unnecessarily wrapped literals (UP018) (#24093)
• [pyupgrade] Fix UP008 callable scope handling to support lambdas (#24274)
• [ruff] RUF010: Mark fix as unsafe when it deletes a comment (#24270)

Formatter

• Add nested-string-quote-style formatting option (#24312)

Documentation

• [flake8-bugbear] Clarify RUF071 fix safety for non-path string comparisons (#24149)
• [flake8-type-checking] Clarify import cycle wording for TC001/TC002/TC003 (#24322)

Other changes

• Avoid rendering fix lines with trailing whitespace after | (#24343)

Contributors

• @​charliermarsh
• @​MichaReiser
• @​tranhoangtu-it
• @​dylwil3
• @​zsol

... (truncated)

Changelog

Sourced from ruff's changelog.

0.15.9

Released on 2026-04-02.

Preview features

• [pyflakes] Flag annotated variable redeclarations as F811 in preview mode (#24244)
• [ruff] Allow dunder-named assignments in non-strict mode for RUF067 (#24089)

Bug fixes

• [flake8-errmsg] Avoid shadowing existing msg in fix for EM101 (#24363)
• [flake8-simplify] Ignore pre-initialization references in SIM113 (#24235)
• [pycodestyle] Fix W391 fixes for consecutive empty notebook cells (#24236)
• [pyupgrade] Fix UP008 nested class matching (#24273)
• [pyupgrade] Ignore strings with string-only escapes (UP012) (#16058)
• [ruff] RUF072: skip formfeeds on dedent (#24308)
• [ruff] Avoid re-using symbol in RUF024 fix (#24316)
• [ruff] Parenthesize expression in RUF050 fix (#24234)
• Disallow starred expressions as values of starred expressions (#24280)

Rule changes

• [flake8-simplify] Suppress SIM105 for except* before Python 3.12 (#23869)
• [pyflakes] Extend F507 to flag %-format strings with zero placeholders (#24215)
• [pyupgrade] UP018 should detect more unnecessarily wrapped literals (UP018) (#24093)
• [pyupgrade] Fix UP008 callable scope handling to support lambdas (#24274)
• [ruff] RUF010: Mark fix as unsafe when it deletes a comment (#24270)

Formatter

• Add nested-string-quote-style formatting option (#24312)

Documentation

• [flake8-bugbear] Clarify RUF071 fix safety for non-path string comparisons (#24149)
• [flake8-type-checking] Clarify import cycle wording for TC001/TC002/TC003 (#24322)

Other changes

• Avoid rendering fix lines with trailing whitespace after | (#24343)

Contributors

• @​charliermarsh
• @​MichaReiser
• @​tranhoangtu-it
• @​dylwil3
• @​zsol
• @​renovate

... (truncated)

Commits

• 724ccc1 Bump 0.15.9 (#24369)
• 96d9e09 [ty] Move the deferred submodule inside infer/builder (#24368)
• 130da28 [ty] Infer the extra_items keyword argument to class-based TypedDicts as an...
• a617c54 [ty] Validate type qualifiers in functional TypedDict fields and the `extra_i...
• d851708 [ty] Improve robustness of various type-qualifier-related checks (#24251)
• aecb587 Only run the release-gate on workflow dispatch (#24366)
• b889571 [ty] Use infer_type_expression for parsing parameter annotations and return...
• 3286a62 Add a "release-gate" step to the release workflow (#24365)
• 5f88756 Disallow starred expressions as values of starred expressions (#24280)
• 5c59f8a [pyupgrade] Ignore strings with string-only escapes (UP012) (#16058)
• Additional commits viewable in compare view

[codspeed-hq]

Merging this PR will degrade performance by 10.35%

⚡ 2 improved benchmarks
❌ 1 regressed benchmark
✅ 81 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
❌	WallTime	test_making_and_inserting_models_in_bulk[20]	11.4 ms	12.8 ms	-10.35%
⚡	WallTime	test_making_and_inserting_models_in_bulk[40]	17.3 ms	15 ms	+14.97%
⚡	WallTime	test_creating_models_individually[10]	75.1 ms	62.9 ms	+19.36%

---

_{Comparing dependabot/pip/ruff-0.15.9 (2db3d84) with master (53d2462)¹}

Footnotes

1. No successful run was found on master (2a068e1) during the generation of this report, so 53d2462 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩