Merge branch 'fix/doc-user-infrastructure-release' into 'master'

Doc Consistency: user/infrastructure - release

See merge request gitlab-org/gitlab!73786

doc/user/infrastructure/clusters/manage/management_project_applications/vault.md

 ---
-stage: Release
-group: Release
+stage: Configure
+group: Configure
 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
 ---
 
-# Install Vault with a cluster management project
+# Install Vault with a cluster management project **(FREE)**
 
 > [Introduced](https://gitlab.com/gitlab-org/project-templates/cluster-management/-/merge_requests/5) in GitLab 14.0.