Bump ruby 2.5 and 2.6 to latest patch levels in CI
Bump ruby 2.5 and 2.6 to latest patch levels in CI

activeadmin/activeadmin,activeadmin/activeadmin,activeadmin/activeadmin,javierjulio/activeadmin,javierjulio/activeadmin,deivid-rodriguez/activeadmin,deivid-rodriguez/activeadmin,deivid-rodriguez/activeadmin,javierjulio/activeadmin