feat: Add support for viewing the subnet IPv6 CIDR and services IPv6 CIDR assigned to dual stack clusters (#333)

* feat: Add support for viewing the subnet IPv6 CIDR and services IPv6 CIDR assigned to dual stack clusters

PiperOrigin-RevId: 502669678

Source-Link: googleapis/googleapis@1f62a66

Source-Link: https://github.com/googleapis/googleapis-gen/commit/f6f86f6338e59389249df5d41a9ee36fb941d1ae
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google/cloud/container_v1/types/cluster_service.py

@@ -1808,6 +1808,12 @@ class IPAllocationPolicy(proto.Message):
         ipv6_access_type (google.cloud.container_v1.types.IPv6AccessType):
             The ipv6 access type (internal or external) when
             create_subnetwork is true
+        subnet_ipv6_cidr_block (str):
+            Output only. [Output only] The subnet's IPv6 CIDR block used
+            by nodes and pods.
+        services_ipv6_cidr_block (str):
+            Output only. [Output only] The services IPv6 CIDR block for
+            the cluster.
     """
 
     use_ip_aliases: bool = proto.Field(
@@ -1872,6 +1878,14 @@ class IPAllocationPolicy(proto.Message):
         number=17,
         enum="IPv6AccessType",
     )
+    subnet_ipv6_cidr_block: str = proto.Field(
+        proto.STRING,
+        number=22,
+    )
+    services_ipv6_cidr_block: str = proto.Field(
+        proto.STRING,
+        number=23,
+    )
 
 
 class Cluster(proto.Message):

samples/generated_samples/snippet_metadata_google.container.v1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-container",
-    "version": "2.16.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {

samples/generated_samples/snippet_metadata_google.container.v1beta1.json

@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-container",
-    "version": "2.16.0"
+    "version": "0.1.0"
   },
   "snippets": [
     {