fix istio install-cni image hub
istio-controlplane 1.9.7+ broke deploying to a cluster that uses the istio/install-cni because the hub is set incorrectly.
UNCLASSIFIED - NO CUI
Currently supported Big Bang Version is 2.42.0
istio-controlplane 1.9.7+ broke deploying to a cluster that uses the istio/install-cni because the hub is set incorrectly.
UNCLASSIFIED - NO CUI