feat(dns): update the API

#### dns:v1beta2

The following keys were added:
- schemas.ManagedZoneForwardingConfigNameServerTarget.properties.domainName.description
- schemas.ManagedZoneForwardingConfigNameServerTarget.properties.domainName.type

#### dns:v1

The following keys were added:
- schemas.ManagedZoneForwardingConfigNameServerTarget.properties.domainName.description
- schemas.ManagedZoneForwardingConfigNameServerTarget.properties.domainName.type

Author: yoshi-automation

discovery/dns-v1.json

@@ -1824,7 +1824,7 @@
       }
     }
   },
-  "revision": "20250227",
+  "revision": "20250411",
   "rootUrl": "https://dns.googleapis.com/",
   "schemas": {
     "Change": {
@@ -2428,6 +2428,10 @@
     "ManagedZoneForwardingConfigNameServerTarget": {
       "id": "ManagedZoneForwardingConfigNameServerTarget",
       "properties": {
+        "domainName": {
+          "description": "Fully qualified domain name for the forwarding target.",
+          "type": "string"
+        },
         "forwardingPath": {
           "description": "Forwarding path for this NameServerTarget. If unset or set to DEFAULT, Cloud DNS makes forwarding decisions based on IP address ranges; that is, RFC1918 addresses go to the VPC network, non-RFC1918 addresses go to the internet. When set to PRIVATE, Cloud DNS always sends queries through the VPC network for this target.",
           "enum": [

discovery/dns-v1beta2.json

@@ -1821,7 +1821,7 @@
       }
     }
   },
-  "revision": "20250227",
+  "revision": "20250411",
   "rootUrl": "https://dns.googleapis.com/",
   "schemas": {
     "Change": {
@@ -2425,6 +2425,10 @@
     "ManagedZoneForwardingConfigNameServerTarget": {
       "id": "ManagedZoneForwardingConfigNameServerTarget",
       "properties": {
+        "domainName": {
+          "description": "Fully qualified domain name for the forwarding target.",
+          "type": "string"
+        },
         "forwardingPath": {
           "description": "Forwarding path for this NameServerTarget. If unset or set to DEFAULT, Cloud DNS makes forwarding decisions based on IP address ranges; that is, RFC1918 addresses go to the VPC network, non-RFC1918 addresses go to the internet. When set to PRIVATE, Cloud DNS always sends queries through the VPC network for this target.",
           "enum": [

src/apis/dns/v1.ts

@@ -514,6 +514,10 @@ export namespace dns_v1 {
     targetNameServers?: Schema$ManagedZoneForwardingConfigNameServerTarget[];
   }
   export interface Schema$ManagedZoneForwardingConfigNameServerTarget {
+    /**
+     * Fully qualified domain name for the forwarding target.
+     */
+    domainName?: string | null;
     /**
      * Forwarding path for this NameServerTarget. If unset or set to DEFAULT, Cloud DNS makes forwarding decisions based on IP address ranges; that is, RFC1918 addresses go to the VPC network, non-RFC1918 addresses go to the internet. When set to PRIVATE, Cloud DNS always sends queries through the VPC network for this target.
      */

src/apis/dns/v1beta2.ts

@@ -514,6 +514,10 @@ export namespace dns_v1beta2 {
     targetNameServers?: Schema$ManagedZoneForwardingConfigNameServerTarget[];
   }
   export interface Schema$ManagedZoneForwardingConfigNameServerTarget {
+    /**
+     * Fully qualified domain name for the forwarding target.
+     */
+    domainName?: string | null;
     /**
      * Forwarding path for this NameServerTarget. If unset or set to DEFAULT, Cloud DNS makes forwarding decisions based on IP address ranges; that is, RFC1918 addresses go to the VPC network, non-RFC1918 addresses go to the internet. When set to PRIVATE, Cloud DNS always sends queries through the VPC network for this target.
      */