Update .gitlab-ci.yml

1 job for master in 18 seconds (queued for 2 seconds)
Name Stage Failure
scripts Build
From https://renkulab.io/gitlab/data-lakes/data/level_0/00001_lexploremeteostation
15b9c35..88a5457 master -> origin/master
Checking out 88a5457d as master...
Updating/initializing submodules recursively...
Authenticating with credentials from job payload (GitLab Registry)
$ ssh centos@
Pseudo-terminal will not be allocated because stdin is not a terminal.
Host key verification failed.
ERROR: Job failed: exit code 1