ardana: Use a custom workspace dir for ardana-job
ardana: Use a custom workspace dir for ardana-job

That way, we can run multiple jobs in parallel without overriding the
files from other jobs.

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