Test ruby 2.7/3.0
Test ruby 2.7/3.0

Ui classic is different in that we want to test all suites against the current
ruby, 3.0, but really only the spec suite cares so we also just run this one
suite against the other supported ruby, 2.7.

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic