Update .gitlab-ci.yml

1 job for master in 23 seconds
Name Stage Failure
failed
scripts Build
$ eval $(ssh-agent -s)
Agent pid 14
$ echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add -
Identity added: (stdin) (james.runnalls@eawag.ch)
$ mkdir -p ~/.ssh
$ chmod 700 ~/.ssh
$ ssh -tt root@148.187.97.230
Host key verification failed.
ERROR: Job failed: exit code 1