Merge branch 'pw-doc-link-updates' into 'master'

Update usage quotas doc links

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160813



Merged-by: Kushal Pandya <kushal@gitlab.com>
Approved-by: Ammar Alakkad <aalakkad@gitlab.com>
Approved-by: Kushal Pandya <kushal@gitlab.com>
Reviewed-by: Paul W <19602001-paintedbicycle-gitlab@users.noreply.gitlab.com>
Co-authored-by: Paul <19602001-paintedbicycle-gitlab@users.noreply.gitlab.com>