message: Add unhandledRejection info to context
diff: @@ -138,7 +138,21 @@ export class Notifier extends BaseNotifier {
  if (msg.indexOf && msg.indexOf('airbrake: ') === 0) {
  return;
  }
  - this.notify(reason);
  + if (typeof reason !== 'object' || reason.error === undefined) {
  + this.notify({
  + error: reason,
  + context: {
  + unhandledRejection: true,
  + },
  + });
  + return;
  + }
  + this.notify({
  + ...reason,
  + context: {
  + unhandledRejection: true,
  + },
  + });
  }
  onerror(
  