ci: Build ArchLinux, Ubuntu 18.04 and Ubuntu 19.10.

3 jobs for ci in 5 minutes and 2 seconds
latest
Status Job ID Name Coverage
  Test
passed #1906052
build:arch

00:02:16

passed #1906054
build:ubuntu18.04

00:05:02

passed #1906053
build:ubuntu19.10

00:04:47