doc: Removes preview note for OIDC Workforce (#2344)

* remove preview note

* add changelog note OIDC in GA

Author: oarbusi

.changelog/2344.txt

@@ -0,0 +1,3 @@
+```release-note:note
+resource/mongodbatlas_federated_settings_identity_provider: OIDC Workforce and Workload are now in GA
+```

website/docs/d/federated_settings_identity_provider.html.markdown

@@ -10,8 +10,6 @@ description: |-
 
 `mongodbatlas_federated_settings_identity_provider` provides a federated settings identity provider data source. Atlas federated settings identity provider provides federated settings outputs for the configured identity provider.
 
--> **NOTE:** OIDC Workforce IdP is currently in preview. To learn more about OIDC and existing limitations see the [OIDC Authentication Documentation](https://www.mongodb.com/docs/atlas/security-oidc/)
-
 ## Example Usage
 
 ```terraform

website/docs/d/federated_settings_identity_providers.html.markdown

@@ -10,8 +10,6 @@ description: |-
 
 `mongodbatlas_federated_settings_identity_providers` provides an Federated Settings Identity Providers datasource. Atlas Cloud Federated Settings Identity Providers provides federated settings outputs for the configured Identity Providers.
 
--> **NOTE:** OIDC Workforce IdP is currently in preview. To learn more about OIDC and existing limitations see the [OIDC Authentication Documentation](https://www.mongodb.com/docs/atlas/security-oidc/).
-
 ## Example Usage
 
 ```terraform

website/docs/r/federated_settings_identity_provider.html.markdown

@@ -10,10 +10,11 @@ description: |-
 
 `mongodbatlas_federated_settings_identity_provider` provides an Atlas federated settings identity provider resource provides a subset of settings to be maintained post import of the existing resource.
 
--> **NOTE:** OIDC Workforce IdP is currently in preview. To learn more about OIDC and existing limitations see the [OIDC Authentication Documentation](https://www.mongodb.com/docs/atlas/security-oidc/).
 ## Example Usage
 
-~> **IMPORTANT** You **MUST** import this resource before you can manage it with this provider. 
+~> **IMPORTANT** If you want to use a SAML Identity Provider, you **MUST** import this resource before you can manage it with this provider. 
+
+SAML IdP:
 
 ```terraform
 resource "mongodbatlas_federated_settings_identity_provider" "identity_provider" {
@@ -29,6 +30,22 @@ resource "mongodbatlas_federated_settings_identity_provider" "identity_provider"
 }
 ```
 
+OIDC IdP:
+
+```
+resource "mongodbatlas_federated_settings_identity_provider" "oidc" {
+  federation_settings_id = data.mongodbatlas_federated_settings.this.id
+  audience               = var.token_audience
+  authorization_type     = "USER"
+  description            = "oidc"
+  issuer_uri = "https://sts.windows.net/${azurerm_user_assigned_identity.this.tenant_id}/"
+  idp_type   = "WORKLOAD"
+  name       = "OIDC-for-azure"
+  protocol   = "OIDC"
+  user_claim = "sub"
+}
+```
+
 ## Argument Reference
 
 * `federation_settings_id` - (Required) Unique 24-hexadecimal digit string that identifies the federated authentication configuration.