Update GitLab to the 14.2.0 Feature Release

Adds the GitLab 14.2.0 Feature Release.

This is a regular monthly minor release of GitLab.

More information can be found at https://about.gitlab.com/releases/2021/08/22/gitlab-14-2-released/

The gitlab-toolbox image is renamed copy of gitlab-task-runner. In 14.2 the image name was changed to reduce confusion between it and the gitlab-runner service. The old image was here: https://repo1.dso.mil/dsop/gitlab/gitlab/gitlab-task-runner