⬆️ Update dependency ruff to v0.15.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	0.15.7 → 0.15.8

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Release Notes

astral-sh/ruff (ruff)

v0.15.8

Compare Source

Released on 2026-03-26.

Preview features

• [ruff] New rule unnecessary-if (RUF050) (#​24114)
• [ruff] New rule useless-finally (RUF072) (#​24165)
• [ruff] New rule f-string-percent-format (RUF073): warn when using % operator on an f-string (#​24162)
• [pyflakes] Recognize frozendict as a builtin for Python 3.15+ (#​24100)

Bug fixes

• [flake8-async] Use fully-qualified anyio.lowlevel import in autofix (ASYNC115) (#​24166)
• [flake8-bandit] Check tuple arguments for partial paths in S607 (#​24080)
• [pyflakes] Skip undefined-name (F821) for conditionally deleted variables (#​24088)
• E501/W505/formatter: Exclude nested pragma comments from line width calculation (#​24071)
• Fix %foo? parsing in IPython assignment expressions (#​24152)
• analyze graph: resolve string imports that reference attributes, not just modules (#​24058)

Rule changes

• [eradicate] ignore ty: ignore comments in ERA001 (#​24192)
• [flake8-bandit] Treat sys.executable as trusted input in S603 (#​24106)
• [flake8-self] Recognize Self annotation and self assignment in SLF001 (#​24144)
• [pyflakes] F507: Fix false negative for non-tuple RHS in %-formatting (#​24142)
• [refurb] Parenthesize generator arguments in FURB142 fixer (#​24200)

Performance

• Speed up diagnostic rendering (#​24146)

Server

• Warn when Markdown files are skipped due to preview being disabled (#​24150)

Documentation

• Clarify extend-ignore and extend-select settings documentation (#​24064)
• Mention AI policy in PR template (#​24198)

Other changes

• Use trusted publishing for NPM packages (#​24171)

Contributors

• @​bitloi
• @​Sim-hu
• @​mvanhorn
• @​chinar-amrutkar
• @​markjm
• @​RenzoMXD
• @​vivekkhimani
• @​seroperson
• @​moktamd
• @​charliermarsh
• @​ntBre
• @​zanieb
• @​dylwil3
• @​MichaReiser

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