fix(operator): do proper upgrade using newest versions
fix(operator): do proper upgrade using newest versions

Operator v1.6.0-rc.0 introduces changes to CRDs.
But Helm applies CRDs only if it is absent and not when
it is "update". So, to make operator work after upgrade
we should upgrade CRDs first before we run 'helm upgrade' command.

scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests