Update OpenAPI spec for automatic_away_mode_setting_change (#329)

Author: Rosie-Kennelly-1

descriptions/2.14/api.intercom.io.yaml

@@ -14090,6 +14090,7 @@ components:
           - app_timezone_change
           - app_webhook_creation
           - app_webhook_deletion
+          - automatic_away_mode_setting_change
           - articles_in_messenger_enabled_change
           - bulk_delete
           - bulk_export
@@ -14233,6 +14234,14 @@ components:
           nullable: true
           description: Indicates if the setting is enabled or disabled.
           example: true
+        before:
+          type: object
+          nullable: true
+          description: The state of settings or values before the change. Structure varies by activity type.
+        after:
+          type: object
+          nullable: true
+          description: The state of settings or values after the change. Structure varies by activity type.
     addressable_list:
       title: Addressable List
       type: object