add worker ci2
add worker ci2

This was manually added when there was a need for more slots to make
progress. Add it in the defaults for the job that updates/installs the
workers.

SUSE-Cloud/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation,gosipyan/automation,SUSE-Cloud/automation,gosipyan/automation