VOL-3505 Send an ofp_error_msg on flow add/delete error

Change-Id: I3791d4ab7ae0f7730f52988234d0c99af2cea75f
diff --git a/go.mod b/go.mod
index b84d647..ebff8b9 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
 	github.com/opencord/voltha-lib-go/v4 v4.0.2
-	github.com/opencord/voltha-protos/v4 v4.0.5
+	github.com/opencord/voltha-protos/v4 v4.0.7
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/stretchr/testify v1.4.0
 	google.golang.org/grpc v1.24.0