It appears the developers have been notified, and though there are many copyright date requests in the forum this is not yet a feature yet — or I’ve not found it.
Here’s the MUCH MORE SIMPLE way to get this done:
https://community.theme.co/forums/topic/add-current-year-to-footer/#post-226892
In my case I needed to add script tags around the jquery code to get it to work.
In my case I’m constantly building or re-developing client sites and EVERY ONE OF THEM wants a current copyright date in their footer.