fix: test data

Author: Laurent Grangeau

test/integration/private_zonal_with_networking/testdata/TestPrivateZonalWithNetworking.json

@@ -106,7 +106,6 @@
   "nodeConfig": {
     "diskSizeGb": 100,
     "diskType": "pd-balanced",
-    "effectiveCgroupMode": "EFFECTIVE_CGROUP_MODE_V2",
     "imageType": "COS_CONTAINERD",
     "loggingConfig": {
       "variantConfig": {
@@ -211,6 +210,7 @@
       "config": {
         "diskSizeGb": 100,
         "diskType": "pd-standard",
+        "effectiveCgroupMode": "EFFECTIVE_CGROUP_MODE_V2",
         "imageType": "COS_CONTAINERD",
         "labels": {
           "cluster_name": "CLUSTER_NAME",