IBX-9958: Added ibexa/discounts & ibexa/discounts-codes to product core (#1312)

Author: tbialcz

composer.json

@@ -17,6 +17,8 @@
         "ibexa/cart": "~5.0.x-dev",
         "ibexa/checkout": "~5.0.x-dev",
         "ibexa/corporate-account-commerce-bridge": "~5.0.x-dev",
+        "ibexa/discounts": "~5.0.x-dev",
+        "ibexa/discounts-codes": "~5.0.x-dev",
         "ibexa/storefront": "~5.0.x-dev",
         "ibexa/order-management": "~5.0.x-dev",
         "ibexa/payment": "~5.0.x-dev",