Update dependency ruff to ^0.6.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	^0.6.5 -> ^0.6.6

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Release Notes

astral-sh/ruff (ruff)

v0.6.6

Compare Source

Preview features

• [refurb] Skip slice-to-remove-prefix-or-suffix (FURB188) when non-trivial slice steps are present (#​13405)
• Add a subcommand to generate dependency graphs (#​13402)

Formatter

• Fix placement of inline parameter comments (#​13379)

Server

• Fix off-by one error in the LineIndex::offset calculation (#​13407)

Bug fixes

• [fastapi] Respect FastAPI aliases in route definitions (#​13394)
• [pydocstyle] Respect word boundaries when detecting function signature in docs (#​13388)

Documentation

• Add backlinks to rule overview linter (#​13368)
• Fix documentation for editor vim plugin ALE (#​13348)
• Fix rendering of FURB188 docs (#​13406)

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