Hello grantdayjames,
Thanks for reaching out! What a great question! Actually that would be cool. However a solution for that doesn’t exist (yet). This might be doable with customization, however we are limited in supporting that.
Thinking about how comment handling is done, when the site admin receives an email that a new comment needs approval, then he also gets links in the email. But those links also don’t approve / decline automatically, but take the admin to a page in the WP admin, where he can approve or decline the comment.
If such a solution would be ok fro you, then you can get the links to the events from your Admin > Events page, and they typically look like this:
http://domain.com/wp-admin/post.php?post=4679&action=edit
When you click on the link like this you will be required to log in first, if you are not logged in already.
If you want to hire a developer here is a list of well known names from the community who might be able to help you out.
https://theeventscalendar.com/knowledgebase/find-a-customizer/
Let me know if this answers your question.
Cheers,
Andras