Merge branch '439497-aqualls-another-batch' into 'master'

Update more outdated handbook links

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143429



Merged-by: Russell Dickenson <rdickenson@gitlab.com>
Approved-by: Russell Dickenson <rdickenson@gitlab.com>
Co-authored-by: Amy Qualls <aqualls@gitlab.com>