[pre-commit.ci] pre-commit autoupdate

[pre-commit-ci[bot]]

updates:

• github.com/astral-sh/ruff-pre-commit: v0.6.7 → v0.6.8

[github-actions[bot]]

A PR has been generated to the instance repo: https://github.com/scverse/cookiecutter-scverse-instance/pull/154

You can check out the PR to preview your changes in an instance of the cookiecutter template. The PR will be kept in sync with this PR automatically.