VOL-4077: Improve storage usage on etcd
- send onu_id and uni_id in packet in (eap, dhcp, igmp)

Change-Id: Ib0e6cf8c46fdf715a67a2bc52d378209c854cfc2
diff --git a/go.mod b/go.mod
index e81ab33..3e583c4 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@
 	github.com/opencord/cordctl v0.0.0-20190909161711-01e9c1f04bf4
 	github.com/opencord/device-management-interface v0.11.0
 	github.com/opencord/omci-lib-go v1.2.1
-	github.com/opencord/voltha-protos/v4 v4.0.15
+	github.com/opencord/voltha-protos/v4 v4.2.0
 	github.com/pkg/errors v0.8.1 // indirect
 	github.com/sirupsen/logrus v1.4.2
 	github.com/stretchr/testify v1.5.1