Merge branch 'gitlab_ci_deploy_fixes' into 'master'

Deploy jobs get stuck since earlier containers are still running.

See merge request !906
7 jobs for master in 95 minutes and 8 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Static Ana
passed #20943
158.39.77.235
run_static_analysis_el6

00:03:27

 
  Packages
passed #20944
build
packages_deb9

01:05:53

passed #20945
build
packages_el6

00:55:33

passed #20946
build
packages_el7

01:08:22

 
  Deploy And Test
canceled #20949
158.39.75.5 allowed to fail
deploy_staging_centos7

00:23:16

passed #20947
docker-socket-runner1
deploy_staging_deb9

00:06:18

canceled #20948
docker-socket-runner-bgo4 allowed to fail
deploy_staging_el6

00:23:16