forge: set default org membership to visible

Signed-off-by: Ryan Lerch <rlerch@redhat.com>

roles/openshift-apps/forgejo/templates/values.yaml.j2

@@ -568,6 +568,7 @@ gitea:
       ALLOWED_USER_VISIBILITY_MODES: public
       DEFAULT_KEEP_EMAIL_PRIVATE: true
       ENABLE_NOTIFY_MAIL: true
+      DEFAULT_ORG_MEMBER_VISIBLE: true
 
     ## @param gitea.config.ssh.minimum_key_sizes SSH minimum key sizes
     ssh.minimum_key_sizes: {}