Document deprecated GKE Enterprise fields. (#14932) (#10646)

[upstream:a964c384ceb1a35769c99eb8c7b2b371af9050de]

Signed-off-by: Modular Magician <magic-modules@google.com>

Author: modular-magician

.changelog/14932.txt

@@ -0,0 +1,3 @@
+```release-note:deprecation
+container: deprecated `enterprise_config` field in `google_container_cluster` resource. GKE Enterprise features are now available without an Enterprise tier.
+```

google-beta/services/container/resource_container_cluster.go

@@ -2507,19 +2507,22 @@ func ResourceContainerCluster() *schema.Resource {
 				MaxItems:    1,
 				Computed:    true,
 				Description: `Defines the config needed to enable/disable GKE Enterprise`,
+				Deprecated:  `GKE Enterprise features are now available without an Enterprise tier. This field is deprecated and will be removed in a future major release`,
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"cluster_tier": {
 							Type:        schema.TypeString,
 							Computed:    true,
 							Description: `Indicates the effective cluster tier. Available options include STANDARD and ENTERPRISE.`,
+							Deprecated:  `GKE Enterprise features are now available without an Enterprise tier. This field is deprecated and will be removed in a future major release`,
 						},
 						"desired_tier": {
 							Type:             schema.TypeString,
 							Optional:         true,
 							Computed:         true,
 							ValidateFunc:     validation.StringInSlice([]string{"STANDARD", "ENTERPRISE"}, false),
 							Description:      `Indicates the desired cluster tier. Available options include STANDARD and ENTERPRISE.`,
+							Deprecated:       `GKE Enterprise features are now available without an Enterprise tier. This field is deprecated and will be removed in a future major release`,
 							DiffSuppressFunc: tpgresource.EmptyOrDefaultStringSuppress("CLUSTER_TIER_UNSPECIFIED"),
 						},
 					},

website/docs/r/container_cluster.html.markdown

@@ -435,7 +435,7 @@ Fleet configuration for the cluster. Structure is [documented below](#nested_fle
   Configuration for [direct-path (via ALTS) with workload identity.](https://cloud.google.com/kubernetes-engine/docs/reference/rest/v1beta1/projects.locations.clusters#workloadaltsconfig). Structure is [documented below](#nested_workload_alts_config).
 
 * `enterprise_config` - (Optional)
-  Configuration for [Enterprise edition].(https://cloud.google.com/kubernetes-engine/enterprise/docs/concepts/gke-editions). Structure is [documented below](#nested_enterprise_config).
+  (DEPRECATED) Configuration for [Enterprise edition].(https://cloud.google.com/kubernetes-engine/enterprise/docs/concepts/gke-editions). Structure is [documented below](#nested_enterprise_config). Deprecated as GKE Enterprise features are now available without an Enterprise tier. See https://cloud.google.com/blog/products/containers-kubernetes/gke-gets-new-pricing-and-capabilities-on-10th-birthday for the announcement of this change.
 
 * `anonymous_authentication_config` - (Optional)
   Configuration for [anonymous authentication restrictions](https://cloud.google.com/kubernetes-engine/docs/how-to/hardening-your-cluster#restrict-anon-access). Structure is [documented below](#anonymous_authentication_config).
@@ -1657,7 +1657,7 @@ linux_node_config {
 
 <a name="nested_enterprise_config"></a>The `enterprise_config` block supports:
 
-* `desired_tier` - (Optional) Sets the tier of the cluster. Available options include `STANDARD` and `ENTERPRISE`.
+* `desired_tier` - (Optional) (DEPRECATED) Sets the tier of the cluster. Available options include `STANDARD` and `ENTERPRISE`. Deprecated as GKE Enterprise features are now available without an Enterprise tier. See https://cloud.google.com/blog/products/containers-kubernetes/gke-gets-new-pricing-and-capabilities-on-10th-birthday for the announcement of this change.
 
 <a name="anonymous_authentication_config"></a>The `anonymous_authentication_config` block supports: