cloud-api-adaptor: set dnsPolicy to ClusterFirstWithHostNet

change dns setting of the CAA daemonset's pod-spec

name: cloud-api-adaptor-daemonset
namespace: confidential-containers-system

The correct dnsPolicy setting when hostNetwork: true is
dnsPolicy: ClusterFirstWithHostNet

See https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/

Signed-off-by: David Hadas <david.hadas@gmail.com>

src/cloud-api-adaptor/install/yamls/caa-pod.yaml

@@ -60,6 +60,7 @@ spec:
           mountPropagation: HostToContainer
           name: netns
       hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
       nodeSelector:
         node.kubernetes.io/worker: ""
       volumes: