bump version

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-native-in-app-review",
-  "version": "2.1.5",
+  "version": "2.1.6",
   "description": "react native in app review, to rate on Play store, App Store, Generally, the in-app review flow (see figure 1 for play store, figure 2 for ios) can be triggered at any time throughout the user journey of your app. During the flow, the user has the ability to rate your app using the 1 to 5 star system and to add an optional comment for play store only. Once submitted, the review is sent to the Play Store or App store and eventually displayed.",
   "main": "index.js",
   "scripts": {