area/grafana/toolkit: ci-package needs to use synchronous writes (#28148)
area/grafana/toolkit: ci-package needs to use synchronous writes (#28148)

* ci needs to use synchronous writes or the file ends up with zero length
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana