Update dependency ruff to v0.16.5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	0.16.4 → 0.16.5

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Release Notes

astral-sh/ruff (ruff)

v0.16.5

Compare Source

Released on 2026-08-27.

Preview features

• Allow rules without codes (#​28049)
• Introduce category selectors (#​27666)
• Update preview default rules and categories (#​27877)

Bug fixes

• [flake8-async] Detect blocking generic HTTP requests (ASYNC210) (#​28024)
• [flake8-datetimez] Allow timezone-safe strptime chains (DTZ007) (#​28023)
• [flake8-simplify] Respect side effects in lambda defaults (SIM401) (#​28000)

Server

• Fix duplicated "of" in ClientOptions doc comment (#​27978)

Documentation

• Document rule acceptance guidelines (#​27910)
• Document the new category selectors (#​27906)

Contributors

• @​AlexWaygood
• @​sharkdp
• @​jelle-openai
• @​charliermarsh
• @​ntBre
• @​aarushkandukoori

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