chore(deps-dev): bump ruff from 0.8.1 to 0.8.4 in /scaleway-async (scaleway#817)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]