Update gitlab-development-kit digest to fb96a94c

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/144696



Merged-by: Ramya Authappan <rauthappan@gitlab.com>
Approved-by: Ramya Authappan <rauthappan@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>