GitLab Pages ACME fixed

What does this MR do and why?

Once gitlab-pages!819 (merged) is merged the documentation needs to be updated as the issue will be resolved.

Screenshots or screen recordings

These are strongly recommended to assist reviewers and reduce the time to merge your change.

How to set up and validate locally

By checking the documentation and the status of gitlab-pages!819 (merged).

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.