Merge branch 'russell/fix-fulfillment-metadata' into 'master'

Fix Fulfillment page metadata

See merge request gitlab-org/gitlab!49984

doc/user/usage_quotas.md

 ---
 type: howto
 stage: Fulfillment
-group: Fulfillment
+group: Provision
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
 ---