fix(deps): update dependency ruff to v0.16.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	==0.16.5 → ==0.16.6

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Release Notes

astral-sh/ruff (ruff)

v0.16.6

Compare Source

Released on 2026-09-03.

Preview features

• Move pytest-fixture-autouse to the restriction category (#​28219)
• [flake8-pytest-style] Add an autofix for PT020 (#​27993)
• [flake8-tidy-imports] Prevent fix loop between TID254 and TID255 (#​28262)
• [isort] Exclude pragma comments from line length calculation (I001) (#​27313)

Bug fixes

• Validate unary expressions when parsing (#​28233)
• [flake8-async, pylint] Recognize builtins.open (ASYNC230, PLW1514) (#​28021)
• [flake8-bugbear] Fix panic on match subjects (B031) (#​27781)
• [flake8-datetimez] Reject tzinfo=None for datetime bounds (DTZ901) (#​28022)
• [flake8-pytest-style] Avoid duplicate PT017 diagnostics (#​27918)
• [ruff] Remove lint.external hint for Ruff-specific suppressions (RUF102) (#​27923)

Rule changes

• [flake8-use-pathlib] Add display-only fix for os.listdir (PTH208) (#​28027)

Documentation

• Add another example and glob reference for lint.per-file-ignores (#​28106)
• Add duplicate work guidance (#​28229)
• [flake8-async] Document thread offloading (ASYNC240) (#​28008)
• [pyupgrade] Clarify default encoding argument handling (UP012) (#​27315)

Other changes

• Allow unary plus in match patterns on Python 3.15 (#​28231)

Contributors

• @​flying-sheep
• @​pikammmmm
• @​fly1d
• @​waterWang
• @​Pierre-Sassoulas
• @​ntBre
• @​jelle-openai
• @​ericbuehl
• @​tjkuson
• @​AbhinavMir
• @​Whning0513
• @​chirizxc

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[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
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The artifact failure details are included below:

File name: uv.lock

Command failed: uv lock --upgrade-package ruff --upgrade-package ruff
Using CPython 3.14.7 interpreter at: /opt/containerbase/tools/python/3.14.7/bin/python3.14
   Updating https://github.com/sergeiwallace/ai-harness.git (1741cb32935f569dc47665c20102a16708e7d1fe)
  × Failed to download and build `fleet-testkit @
  │ git+https://github.com/sergeiwallace/ai-harness.git@1741cb32935f569dc47665c20102a16708e7d1fe#subdirectory=packages/fleet-testkit`
  ├─▶ Git operation failed
  ├─▶ failed to clone into: /home/ubuntu/.cache/uv/git-v0/db/b0ff89bcc53537f8
  ├─▶ failed to fetch commit `1741cb32935f569dc47665c20102a16708e7d1fe`
  ╰─▶ process didn't exit successfully: `/usr/bin/git fetch --force
      --update-head-ok 'https://github.com/sergeiwallace/ai-harness.git'
      '+1741cb32935f569dc47665c20102a16708e7d1fe:refs/commit/1741cb32935f569dc47665c20102a16708e7d1fe'`
      (exit status: 128)
      --- stderr
      remote: Repository not found.
      fatal: repository 'https://github.com/sergeiwallace/ai-harness.git/'
      not found