MAGETWO-94407: [2.3.0] Cart Price Rule for configurable products

- Add suggest to composer

Author: stkorf

app/code/Magento/ConfigurableProduct/composer.json

@@ -22,6 +22,7 @@
         "magento/module-msrp": "*",
         "magento/module-webapi": "*",
         "magento/module-sales": "*",
+        "magento/module-sales-rule": "*",
         "magento/module-product-video": "*",
         "magento/module-configurable-sample-data": "*",
         "magento/module-product-links-sample-data": "*"