The import string for voltha-lib-go library needs to change from v5
to v6 after a major version upgrade of the voltha-lib-go library.

Change-Id: If443376b150e0f4bb49f50cb2c8cf8c132b7244b
diff --git a/pkg/mocks/kafka/endpoint_manager.go b/pkg/mocks/kafka/endpoint_manager.go
index 5acec69..807815d 100644
--- a/pkg/mocks/kafka/endpoint_manager.go
+++ b/pkg/mocks/kafka/endpoint_manager.go
@@ -18,7 +18,7 @@
 
 import (
 	"context"
-	"github.com/opencord/voltha-lib-go/v5/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v6/pkg/kafka"
 )
 
 type EndpointManager struct{}