bump version number of CKEditor to 4.22.1CKEditor 4 was launched in 2012 and reached its End of Life (EOL) on June 30, 2023.A special edition, CKEditor 4 LTS ("Long Term Support"), is available under commercial terms ("Extended Support Model") for anyone looking to extend the coverage of security updates and critical bug fixes.With CKEditor 4 LTS, security updates and critical bug fixes are guaranteed until December 2026.Details: https://github.com/ckeditor/ckeditor4-releasesShow less
