Enables VPC-Native by default on cluster creation

changelogs/unreleased/feature-default-cluster-to-vpc-enabled.yml

+---
+title: Create clusters with VPC-Native enabled
+merge_request: 18284
+author:
+type: changed

lib/google_api/cloud_platform/client.rb

@@ -96,6 +96,9 @@ module GoogleApi
             legacy_abac: {
               enabled: legacy_abac
             },
+            ip_allocation_policy: {
+              use_ip_aliases: true
+            },
             addons_config: enable_addons.each_with_object({}) do |addon, hash|
               hash[addon] = { disabled: false }
             end

spec/lib/google_api/cloud_platform/client_spec.rb

@@ -102,6 +102,9 @@ describe GoogleApi::CloudPlatform::Client do
           legacy_abac: {
             enabled: legacy_abac
           },
+          ip_allocation_policy: {
+            use_ip_aliases: true
+          },
           addons_config: addons_config
         }
       }