Mark GELF support in Promtail as experimental (#5697)
Mark GELF support in Promtail as experimental (#5697)

Signed-off-by: Christian Haudum <06bf21b9be0da05e3dc60dceb5b68481e4c9f36a@gmail.com>
grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki