message: add a new line to the key before adding to the agent, picky openssh is picky
diff: @@ -3,6 +3,9 @@ set -e
  if [ -f /var/run/secrets/lagoon/sshkey/ssh-privatekey ]; then
  cp /var/run/secrets/lagoon/sshkey/ssh-privatekey /home/.ssh/id_rsa
  + # add a new line to the key. OpenSSH is very picky that keys are always end with a newline
  + echo >> /home/.ssh/id_rsa
  +
  chmod 400 /home/.ssh/id_rsa
  eval $(ssh-agent -a /tmp/ssh-agent)
  ssh-add /home/.ssh/id_rsa
  