Update dependency kas to v16.6.0

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/136015



Merged-by: Mikhail Mazurskiy <mmazurskiy@gitlab.com>
Approved-by: Mikhail Mazurskiy <mmazurskiy@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>