Fix for timestamps not coming in kafka message

Change-Id: Iab4b396f76d018a9b310b1aff833b8aa7659638a
diff --git a/go.mod b/go.mod
index e7eed4f..8141781 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
-	github.com/opencord/voltha-lib-go/v4 v4.1.0
+	github.com/opencord/voltha-lib-go/v4 v4.2.2
 	github.com/opencord/voltha-protos/v4 v4.0.13
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2