chore(android): deprecate identifyUser

Deprecate the identifyUser method which doesn't accept the ID argument.

Author: abdelhamid-f-nasser

android/src/main/java/com/instabug/reactlibrary/RNInstabugReactnativeModule.java

@@ -294,6 +294,7 @@ public void run() {
      * @param userEmail User's default email
      */
     @ReactMethod
+    @Deprecated
     public void identifyUser(final String userEmail, final String userName) {
         MainThreadHandler.runOnMainThread(new Runnable() {
             @Override