Update .gitlab-ci.yml

1 job for gtilab-ci in 11 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Moringa Docker
failed base-otb #104796


Name Stage Failure
base-otb Moringa Docker
Fetching changes...
Reinitialized existing Git repository in /builds/raffaele.gaetano/moringa/.git/
Checking out daef6c37 as gtilab-ci...

Skipping Git submodules setup
Executing "step_script" stage of the job script
$ docker build -t moringa .
Cannot connect to the Docker daemon at tcp://docker:2375. Is the docker daemon running?
ERROR: Job failed: exit code 1