Force non-interactive frontend for ubuntu 20.04 since it will otherwisde...

Force non-interactive frontend for ubuntu 20.04 since it will otherwisde demand a timezone configuration from you
4 jobs for master in 24 minutes and 47 seconds
Status Job ID Name Coverage
  Build
passed #6031
debian10

00:11:36

passed #6030
debian9

00:12:51

passed #6028
ubuntu1804

00:08:44

canceled #6029
ubuntu2004

00:24:46