VOL-3589 Update voltha go to support new version v4 of voltha protos

Change-Id: I32074b5c05b08f8ebd2205f8dc2af225bff465cc
diff --git a/rw_core/mocks/adapter.go b/rw_core/mocks/adapter.go
index ccbeea4..26f796fa4 100644
--- a/rw_core/mocks/adapter.go
+++ b/rw_core/mocks/adapter.go
@@ -23,10 +23,10 @@
 	"strings"
 	"sync"
 
-	"github.com/opencord/voltha-lib-go/v3/pkg/adapters/adapterif"
-	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
-	of "github.com/opencord/voltha-protos/v3/go/openflow_13"
-	"github.com/opencord/voltha-protos/v3/go/voltha"
+	"github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif"
+	ic "github.com/opencord/voltha-protos/v4/go/inter_container"
+	of "github.com/opencord/voltha-protos/v4/go/openflow_13"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
 func macAddressToUint32Array(mac string) []uint32 {