VOL-4222: Bump to version 1.6.5 with updates to use latest voltha-lib-go

Change-Id: Id4da94e409f7c6eff39d9fab3dff8297369f22df
diff --git a/go.mod b/go.mod
index b4aabb3..60ffdbc 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
 	github.com/opencord/goloxi v1.0.1
-	github.com/opencord/voltha-lib-go/v5 v5.0.4
+	github.com/opencord/voltha-lib-go/v5 v5.0.5
 	github.com/opencord/voltha-protos/v4 v4.2.0
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/stretchr/testify v1.4.0