Merge branch 'jennli-updated-outdated-test-link' into 'master'

Update outdated quarantine test handbook page link

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138243



Merged-by: Rémy Coutable <remy@rymai.me>
Approved-by: Jay McCure <jmccure@gitlab.com>
Co-authored-by: Jennifer Li <jli@gitlab.com>