update ciadm image to fix helm bug
Update ciadm to c8-base which bring a recent helm version. This is needed to fix a bug when doing helm lint. Please see: https://its.cern.ch/jira/browse/OS-15628
Update ciadm to c8-base which bring a recent helm version. This is needed to fix a bug when doing helm lint. Please see: https://its.cern.ch/jira/browse/OS-15628