add npm autoupdate config on ckeditor
add npm autoupdate config on ckeditor

close #5865, cc @Reinmar

dhenson02/cdnjs,dhenson02/cdnjs,dhenson02/cdnjs,viskin/cdnjs,viskin/cdnjs,viskin/cdnjs,dhenson02/cdnjs,viskin/cdnjs,viskin/cdnjs