fix ts build error that seems mysteric

helpers/ical.ts

@@ -60,6 +60,8 @@ Link: ${getBaseURL()}/admin/booking/${booking.uuid}
         : ('TENTATIVE' as EventStatus),
   }))
 
+  // FIXME: startOutputType does not like 'local'
+  // @ts-ignore
   const { error, value } = createEvents(events)
 
   if (error) {