chore(deps): update dependency ruff to v0.16.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	==0.16.7 → ==0.16.8

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Release Notes

astral-sh/ruff (ruff)

v0.16.8

Compare Source

Released on 2026-09-16.

Bug fixes

• Visit functional TypedDict keyword arguments correctly (#​28584)
• [flake8-simplify] Detect nested async with under sync parent (SIM117) (#​27821)
• [flake8-simplify] Preserve operand order in SIM109 fix (#​27824)
• [pyupgrade] Preserve required parentheses in multiline UP040 fixes (#​28164)
• [pyupgrade] Skip TypeVarTuple and ParamSpec conversions with bounds or constraints (UP040, UP046, UP047) (#​28505)

Rule changes

• Add support for __lazy_modules__ (#​28459)
• Recognize PEP-728 TypedDict class keywords (#​28533)
• Recognize quoted types in typing.TypeForm (#​28507)
• Support conditional assignment to __lazy_modules__ (#​28491)
• [flake8-type-checking] Prefer lazy imports over TYPE_CHECKING on Python 3.15 and later (TC001, TC002, TC003) (#​28541)
• [pyupgrade] Make the fix for UP040 always unsafe (#​28526)
• [pyupgrade] Stop recommending deprecated ByteString aliases (UP035) (#​28498)
• [ruff, flake8-use-pathlib] Recognize the parent_mode argument (RUF064, PTH103) (#​28528)
• [ruff] Detect \Z in pytest.raises() match patterns (RUF043) (#​28598)

CLI

• Use rule name and code in formatter incompatibility warnings (#​28571)

Configuration

• [flake8-tidy-imports] Add extend-banned-api (#​28644)

Contributors

• @​VedantMadane
• @​alzeph
• @​charliermarsh
• @​fredrikblau
• @​ntBre
• @​zsol
• @​Aniket-a14
• @​r-b-1

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[claude]

Looks good, trivial dev-dependency version bump.

What was reviewed: the one-line diff bumping ruff from 0.16.7 to 0.16.8 in requirements-dev.txt (a lint tool, dev-only dependency); confirmed no other files changed and no functional/runtime code is affected.

Extended reasoning...

Overview

This PR is a single-line change to requirements-dev.txt, bumping the pinned version of ruff (a development-only linter) from 0.16.7 to 0.16.8. It is a Renovate bot dependency-lock update with no other files touched.

Security risks

None. ruff is a dev-only linting tool that is not part of the runtime/production dependency chain, and the changelog entries are bug fixes and minor rule changes to the linter itself — no security-relevant behavior applies to this repository's shipped code.

Level of scrutiny

Minimal scrutiny is appropriate: this is a mechanical, auto-generated dependency bump limited to a lockfile-style comment/version line, with no code or configuration logic changed.

Other factors

The diff was verified directly (single line changed, patch version bump only, dev dependency). No CODEOWNERS or CLAUDE.md restrictions apply, and there is no PR conversation history requiring follow-up.