bugfix: gitea metrics endpoint is now enabled by default

roles/gitea/vars/main.yml

@@ -40,6 +40,8 @@ gitea_environment: [
   "GITEA__mailer__FROM: \"{{ inventory_hostname }}@{{ domain }}\"",
   "GITEA__server__MAILER_TYPE: \"smtp\"",
   "GITEA__server__HOST: \"{{ shared_service_mail_hostname }}\"",
+
+  "GITEA__metrics__ENABLED: \"true\"",
 ]
 
 gitea_docker: {