chore(package): update iterall to version 1.3.0

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
     "prepublishOnly": "npm run test"
   },
   "dependencies": {
-    "iterall": "^1.2.2"
+    "iterall": "^1.3.0"
   },
   "peerDependencies": {
     "graphql-subscriptions": "^1.0.0"