VOL-1643 Update voltha-go to use voltha-protos and voltha-lib-go v3.0.0

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/cli/menu/mainmenu/devices.go b/cli/menu/mainmenu/devices.go
index b59267e..ec373a0 100644
--- a/cli/menu/mainmenu/devices.go
+++ b/cli/menu/mainmenu/devices.go
@@ -23,7 +23,7 @@
 
 	"github.com/golang/protobuf/ptypes/empty"
 	"github.com/opencord/voltha-go/cli/util"
-	"github.com/opencord/voltha-protos/v2/go/voltha"
+	"github.com/opencord/voltha-protos/v3/go/voltha"
 )
 
 /*