Set log level for GetChunkRefs log (#6677)
Set log level for GetChunkRefs log (#6677)

Signed-off-by: Danny Kopping <d1227f0b0eadb951ac766cb9ccee7ac68e5416a0@grafana.com>
grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki,grafana/loki