Merge branch 'peterhegman-add-details-to-group_administration_nav_item-ff' into 'master'

Add details for `group_administration_nav_item` FF

See merge request gitlab-org/gitlab!43225

ee/config/feature_flags/development/group_administration_nav_item.yml

 ---
 name: group_administration_nav_item
-introduced_by_url: 
-rollout_issue_url: 
-group: 
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/29084
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/209020
+group: group::access
 type: development
 default_enabled: false