chore(graphql-api): upgrade code-gen to 1.x

Author: NickBolles

packages/graphql-api/package.json

@@ -48,7 +48,8 @@
     "jest": "24.9.0",
     "lodash": "4.17.15",
     "nock": "10.0.6",
-    "ts-node": "8.3.0"
+    "ts-node": "8.3.0",
+    "typescript": "^3.5.3"
   },
   "peerDependencies": {
     "@accounts/password": "^0.9.3",
@@ -62,5 +63,8 @@
     "graphql-toolkit": "^0.5.10",
     "request-ip": "2.1.3",
     "tslib": "1.10.0"
+  },
+  "optionalDependencies": {
+    "type-graphql": "^0.17.5"
   }
 }