Some CS fixes

Author: ldusan84

app/code/Magento/CustomerDownloadableGraphQl/composer.json

@@ -3,7 +3,7 @@
     "description": "N/A",
     "type": "magento2-module",
     "require": {
-        "php": "~7.1.3||~7.2.0",
+        "php": "~7.1.3||~7.2.0||~7.3.0",
         "magento/module-catalog": "*",
         "magento/module-downloadable": "*",
         "magento/module-downloadable-graph-ql": "*",

app/code/Magento/CustomerDownloadableGraphQl/etc/schema.graphqls

@@ -15,4 +15,4 @@ type CustomerDownloadableProduct {
     status: String
     download_url: String
     remaining_downloads: String
-}
+}