chore(deps): update dependency ruff to v0.15.12

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	==0.15.11 → ==0.15.12

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Release Notes

astral-sh/ruff (ruff)

v0.15.12

Released on 2026-04-24.

Preview features

• Implement #ruff:file-ignore file-level suppressions (#​23599)
• Implement #ruff:ignore logical-line suppressions (#​23404)
• Revert preview changes to displayed diagnostic severity in LSP (#​24789)
• [airflow] Implement task-branch-as-short-circuit (AIR004) (#​23579)
• [flake8-bugbear] Fix break/continue handling in loop-iterator-mutation (B909) (#​24440)
• [pylint] Fix PLC2701 for type parameter scopes (#​24576)

Rule changes

• [pandas-vet] Suggest .array as well in PD011 (#​24805)

CLI

• Respect default Unix permissions for cache files (#​24794)

Documentation

• [pylint] Fix PLR0124 description not to claim self-comparison always returns the same value (#​24749)
• [pyupgrade] Expand docs on reusable TypeVars and scoping (UP046) (#​24153)
• Improve rules table accessibility (#​24711)

Contributors

• @​dylwil3
• @​AlexWaygood
• @​woodruffw
• @​avasis-ai
• @​Dev-iL
• @​denyszhak
• @​ShipItAndPray
• @​anishgirianish
• @​augustelalande
• @​amyreese
• @​majiayu000

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📚 Documentation preview 📚: https://objctypes--497.org.readthedocs.build/en/497/