Update repository in package.json (#62)

Author: schwma

package.json

@@ -9,7 +9,7 @@
   ],
   "author": "SAP SE (https://www.sap.com)",
   "license": "SEE LICENSE IN LICENSE",
-  "repository": "cap-js/cds-adapter-graphql",
+  "repository": "cap-js/graphql",
   "homepage": "https://cap.cloud.sap/",
   "main": "index.js",
   "files": [