Merge branch 'docs-license-avail-metadata' into 'master'

Add metadata info to documentation page

See merge request gitlab-org/gitlab!53899

doc/development/licensed_feature_availability.md

 ---
-stage: none
-group: unassigned
+stage: Fulfillment
+group: License
 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/#assignments
 ---