ci: Run CI with UndefinedBehaviourSanitizer and AddressSanitizer

Signed-off-by: Simon McVittie <smcv@collabora.com>
6 jobs for master in 7 minutes and 45 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
manual #40182
allowed to fail manual
build:arch
passed #40178
build:asan

00:03:08

passed #40181
build:bionic

00:07:44

passed #40180
build:buster

00:06:57

passed #40179
build:stretch

00:07:36

passed #40177
build:ubsan

00:03:05