use v1 version of advanced audit policy in gce shell

cluster/gce/gci/configure-helper.sh

@@ -740,7 +740,7 @@ function create-master-audit-policy {
       - group: "storage.k8s.io"'
 
   cat <<EOF >"${path}"
-apiVersion: audit.k8s.io/v1beta1
+apiVersion: audit.k8s.io/v1
 kind: Policy
 rules:
   # The following requests were manually identified as high-volume and low-risk,