Take care that the next releases will fix the CKEditor version check
OpenDesk current release is affected by https://forum.xwiki.org/t/cke-editor-warning-4-22-1-version-not-secure/14020/3
OpenDesk current release is affected by https://forum.xwiki.org/t/cke-editor-warning-4-22-1-version-not-secure/14020/3