shiritori: bump aoglib dep

Change-Id: Ibfd61d629848ebea8e5aed4d1976b509bcaeb7dd

Author: proppy

functions/package.json

@@ -15,7 +15,7 @@
     "test": "npm run lint"
   },
   "dependencies": {
-    "actions-on-google": "^2.0.x",
+    "actions-on-google": "^2.1.x",
     "firebase-admin": "^5.12.1",
     "firebase-functions": "^1.0.3",
     "kuroshiro": "^0.2.1",