Migrate gitlab-workspaces-tools

Issue - Migrate gitlab-workspaces-tools image to gitlab... (gitlab-org/workspaces/gitlab-workspaces-tools#12 - closed)

What does this MR do and why?

We are trying to migrate gitlab-workspaces-tools to gitlab-build-images. For this issue, we only focus on main image build and publish flow. All other things will be included in the next follow up issue.

Checklist

• (If applicable) Add patches if required for upgrading Ruby version in https://gitlab.com/gitlab-org/gitlab-build-images/-/tree/master/patches/ruby.