Update the base Docker images
So that they can be re-used by older branches where the Gemfiles might have changed. It should fix errors such as https://gitlab.com/gitlab-com/gitlab-docs/-/jobs/62686325.
So that they can be re-used by older branches where the Gemfiles might have changed. It should fix errors such as https://gitlab.com/gitlab-com/gitlab-docs/-/jobs/62686325.