Update dependency ruff to v0.8.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	==0.8.3 -> ==0.8.4

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Release Notes

astral-sh/ruff (ruff)

v0.8.4

Compare Source

Preview features

• [airflow] Extend AIR302 with additional functions and classes (#​15015)
• [airflow] Implement moved-to-provider-in-3 for modules that has been moved to Airflow providers (AIR303) (#​14764)
• [flake8-use-pathlib] Extend check for invalid path suffix to include the case "." (PTH210) (#​14902)
• [perflint] Fix panic in PERF401 when list variable is after the for loop (#​14971)
• [perflint] Simplify finding the loop target in PERF401 (#​15025)
• [pylint] Preserve original value format (PLR6104) (#​14978)
• [ruff] Avoid false positives for RUF027 for typing context bindings (#​15037)
• [ruff] Check for ambiguous pattern passed to pytest.raises() (RUF043) (#​14966)

Rule changes

• [flake8-bandit] Check S105 for annotated assignment (#​15059)
• [flake8-pyi] More autofixes for redundant-none-literal (PYI061) (#​14872)
• [pydocstyle] Skip leading whitespace for D403 (#​14963)
• [ruff] Skip SQLModel base classes for mutable-class-default (RUF012) (#​14949)

Bug

• [perflint] Parenthesize walrus expressions in autofix for manual-list-comprehension (PERF401) (#​15050)

Server

• Check diagnostic refresh support from client capability which enables dynamic configuration for various editors (#​15014)

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