Update any appliances that include ckeditor to use ckeditor v5 #1970
Description
TBH I'm not 100% sure which appliance(s) include ckeditor, but v4 is on life support and we should move to v5.
References of interest:
https://github.com/ckeditor/ckeditor4?tab=readme-ov-file#ckeditor-4-lts---smart-wysiwyg-html-editor-
https://github.com/ckeditor/ckeditor4-releases?tab=readme-ov-file#ckeditor-4---releases
https://github.com/ckeditor#-ckeditor-5
https://github.com/ckeditor/ckeditor5?tab=readme-ov-file#ckeditor5-
https://ckeditor.com/docs/ckeditor5/latest/getting-started/index.html
https://ckeditor.com/docs/ckeditor5/latest/getting-started/installation/quick-start.html
https://ckeditor.com/docs/ckeditor5/latest/updating/ckeditor4/migration-from-ckeditor-4.html
https://ckeditor.com/docs/ckeditor5/latest/updating/nim-migration/migration-to-new-installation-methods.html