Upgraded Firestore dependency version to 0.11.0 (#182)

* Upgraded Firestore dependency version to 0.11.0

* Upgraded to 0.11.1

Author: hiranya911

package-lock.json

@@ -49,7 +49,7 @@
   "dependencies": {
     "@firebase/app": "^0.1.1",
     "@firebase/database": "^0.1.3",
-    "@google-cloud/firestore": "^0.10.0",
+    "@google-cloud/firestore": "^0.11.1",
     "@google-cloud/storage": "^1.2.1",
     "@types/google-cloud__storage": "^1.1.1",
     "@types/node": "^8.0.53",