Updating to latest protos and device-management interface, releasing 2.0

Change-Id: I2d2ebf5b305d6d06b8d01c49d4d67e7ff050f5d4
diff --git a/topic-exporter.go b/topic-exporter.go
index 4e11118..e8ddc23 100644
--- a/topic-exporter.go
+++ b/topic-exporter.go
@@ -23,7 +23,7 @@
 	"gerrit.opencord.org/kafka-topic-exporter/utils"
 	"github.com/golang/protobuf/proto"
 	"github.com/opencord/device-management-interface/go/dmi"
-	"github.com/opencord/voltha-protos/go/voltha"
+	"github.com/opencord/voltha-protos/v5/go/voltha"
 	"github.com/prometheus/client_golang/prometheus"
 	log "github.com/sirupsen/logrus"
 )