Add support for telephone number links

I have found out that figma allows you to add links to text in the form of “mailto:example@example.com”, which allows to add a link to email addresses. However, when I try to input a link in the form of “tel:1234567890” it fails and the “Invalid link” notification comes up. I believe that this is not the indeded behaviour of the feature and it should allow users to input any kind of urls, not just web and email urls.