Merge branch 'docs-fix-nesting-1' into 'master'

Fix list indentation in 3 directories

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/156460



Merged-by: Lysanne Pinto <lpinto@gitlab.com>
Approved-by: Lysanne Pinto <lpinto@gitlab.com>
Co-authored-by: Marcel Amirault <mamirault@gitlab.com>