Updated README.md

Author: marpies

README.md

@@ -8,7 +8,7 @@ This is an Adobe Air Native Extension for the [Bugsnag](https://bugsnag.com/) bu
 
 ## Version
 
-This extension uses the Bugsnag SDK version 5.6.2 for iOS and SDK version 3.7.0 for Android.
+This extension uses the Bugsnag SDK version 5.15.2 for iOS and SDK version 4.3.0 for Android.
 
 
 ## Requirements