Updating tier badge format

doc/user/group/access_and_permissions.md

doc/user/group/clusters/index.md

doc/user/group/compliance_frameworks.md

doc/user/group/contribution_analytics/index.md

doc/user/group/custom_project_templates.md

doc/user/group/devops_adoption/index.md

doc/user/group/epics/epic_boards.md

doc/user/group/epics/index.md

doc/user/group/epics/linked_epics.md

doc/user/group/epics/manage_epics.md

doc/user/group/import/index.md

doc/user/group/index.md

doc/user/group/issues_analytics/index.md

doc/user/group/iterations/index.md

doc/user/group/manage.md

doc/user/group/moderate_users.md

doc/user/group/planning_hierarchy/index.md

doc/user/group/reporting/git_abuse_rate_limit.md

doc/user/group/repositories_analytics/index.md

doc/user/group/roadmap/index.md