feat(workflows-sdk): Allow when then in parallelize (#11756)

**What**
Update typings to allow using when then inside parallelize

packages/core/core-flows/src/product/workflows/batch-products.ts

@@ -19,19 +19,20 @@ import { updateProductsWorkflow } from "./update-products"
 /**
  * The products to manage.
  */
-export interface BatchProductWorkflowInput extends BatchWorkflowInput<
-  CreateProductWorkflowInputDTO,
-  UpdateProductWorkflowInputDTO
-> {}
+export interface BatchProductWorkflowInput
+  extends BatchWorkflowInput<
+    CreateProductWorkflowInputDTO,
+    UpdateProductWorkflowInputDTO
+  > {}
 
 export const batchProductsWorkflowId = "batch-products"
 /**
  * This workflow creates, updates, or deletes products. It's used by the
  * [Manage Products Admin API Route](https://docs.medusajs.com/api/admin#products_postproductsbatch).
- * 
+ *
  * You can use this workflow within your own customizations or custom workflows to manage products in bulk. This is
  * also useful when writing a [seed script](https://docs.medusajs.com/learn/fundamentals/custom-cli-scripts/seed-data) or a custom import script.
- * 
+ *
  * @example
  * const { result } = await batchProductsWorkflow(container)
  * .run({
@@ -68,11 +69,11 @@ export const batchProductsWorkflowId = "batch-products"
  *       }
  *     ],
  *     delete: ["prod_321"]
- *   }   
+ *   }
  * })
- * 
+ *
  * @summary
- * 
+ *
  * Manage products in bulk.
  */
 export const batchProductsWorkflow = createWorkflow(