add expo go module detection note

Author: krystofwoldrich

docs/platforms/react-native/migration/v6-to-v7.mdx

@@ -79,3 +79,8 @@ Sentry.init({
 ### `Cold/Warm App Start` spans were renamed to `Cold/Warm Start`
 
 The `App` word was removed from the span description. If you have any logic in your application or in Sentry based on this span description, please, check if it still works.
+
+### Detection of Expo Go uses `ExpoGo` module
+
+Starting with version 7.0.0, the Sentry React Native SDK will use `ExpoGo` module to detect if the application is running on Expo Go. This differs from the previous behavior, where the SDK would check for deprecated `appOwnership` property. This new approach doesn't work for Expo SDK 49 and older.
+Minimum supported Expo SDK version is 50, same as in Sentry React Native SDK v6.