Add sentry provider observer

lib/utils/utils.dart

@@ -11,6 +11,7 @@ export 'number_formatters.dart';
 export 'placeholders.dart';
 export 'platform_utils.dart';
 export 'sentry_loggy_integration.dart';
+export 'sentry_riverpod_observer.dart';
 export 'text_utils.dart';
 export 'uri_utils.dart';
 export 'validators.dart';