Merge branch '2019' into 'master'

Change Ruby image

See merge request hoou/tekethics!11
3 jobs for master in 53 seconds (queued for 1 second)
Status Job ID Name Coverage
  Setup
passed #184089
prepare

00:00:30

 
  Deploy
passed #184090
deploy:on-schedule

00:00:23

 
  Clean
manual #184091
allowed to fail manual
clean