Review `container registry` docs for accuracy
As part of https://gitlab.com/gitlab-com/gitlab-OKRs/-/work_items/6978, we need to review technical accuracy of https://docs.gitlab.com/ee/user/packages/container_registry/index.html
As part of https://gitlab.com/gitlab-com/gitlab-OKRs/-/work_items/6978, we need to review technical accuracy of https://docs.gitlab.com/ee/user/packages/container_registry/index.html