Update ManagedZone.yaml and add domain name to forwarding config and make ipv4Address optional (#13182) (#22419)

[upstream:59d9456a4f0f196e1d7611d2246b81ffa1f57542]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/13182.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+dns: added `target_name_servers.domainName` to resource`google_dns_managed_zone ` (beta)
+```

google/services/dns/resource_dns_managed_zone.go

@@ -369,11 +369,6 @@ This should be formatted like 'projects/{project}/global/networks/{network}' or
 func dnsManagedZoneForwardingConfigTargetNameServersSchema() *schema.Resource {
 	return &schema.Resource{
 		Schema: map[string]*schema.Schema{
-			"ipv4_address": {
-				Type:        schema.TypeString,
-				Required:    true,
-				Description: `IPv4 address of a target name server.`,
-			},
 			"forwarding_path": {
 				Type:         schema.TypeString,
 				Optional:     true,
@@ -382,6 +377,11 @@ func dnsManagedZoneForwardingConfigTargetNameServersSchema() *schema.Resource {
 decision based on address ranges, i.e. RFC1918 addresses go to the VPC, Non-RFC1918 addresses go
 to the Internet. When set to 'private', Cloud DNS will always send queries through VPC for this target Possible values: ["default", "private"]`,
 			},
+			"ipv4_address": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Description: `IPv4 address of a target name server.`,
+			},
 		},
 	}
 }

website/docs/r/dns_managed_zone.html.markdown

@@ -494,9 +494,13 @@ The following arguments are supported:
 <a name="nested_forwarding_config_target_name_servers"></a>The `target_name_servers` block supports:
 
 * `ipv4_address` -
-  (Required)
+  (Optional)
   IPv4 address of a target name server.
 
+* `domain_name` -
+  (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html))
+  Fully qualified domain name for the forwarding target.
+
 * `forwarding_path` -
   (Optional)
   Forwarding path for this TargetNameServer. If unset or `default` Cloud DNS will make forwarding