Action users addon loads https://code.jquery.com/ui/1.13.2/themes/base/jquery-ui.css?ver=1.13.2 external stylesheet from code.jquery.com on all pages.
And the admin doesn't include the option to switch-off the load of this external resources.
This is not GDPR compliant.
The two following links give some good technical reasons not to, as well :
https://shkspr.mobi/blog/2020/10/please-stop-using-cdns-for-external-javascript-libraries/
https://news.ycombinator.com/item?id=24745748