chore: fix manage customer groups of customer OAS (#11011)

* chore: fix manage customer groups of customer OAS

* fix validation error

www/utils/generated/oas-output/operations/admin/post_admin_customers_[id]_customer-groups.ts

@@ -1,8 +1,9 @@
 /**
  * @oas [post] /admin/customers/{id}/customer-groups
  * operationId: PostCustomersIdCustomerGroups
- * summary: Add Customer Group to Customer
+ * x-sidebar-summary: Manage Customer Groups
- * description: Add a Customer Group to a customer
+ * summary: Manage Customer Groups of Customer
+ * description: Manage the customer groups of a customer, adding or removing the customer from those groups.
  * x-authenticated: true
  * parameters:
  *   - name: id
@@ -38,18 +39,18 @@
  *         properties:
  *           add:
  *             type: array
- *             description: The customer's add.
+ *             description: The customer groups to add the customer to.
  *             items:
  *               type: string
  *               title: add
- *               description: The add's details.
+ *               description: The ID of the group to add the customer to.
  *           remove:
  *             type: array
- *             description: The customer's remove.
+ *             description: The customer groups to remove the customer from.
  *             items:
  *               type: string
  *               title: remove
- *               description: The remove's details.
+ *               description: The ID of the group to remove the customer from.
  * x-codeSamples:
  *   - lang: Shell
  *     label: cURL