Merge branch 'selhorn-urls-1' into 'master'

Updated links to new docs site

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/183390



Merged-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Suzanne Selhorn <sselhorn@gitlab.com>