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

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/ro_core/main.go b/ro_core/main.go
index b203bec..141a07f 100644
--- a/ro_core/main.go
+++ b/ro_core/main.go
@@ -28,11 +28,11 @@
 
 	"github.com/opencord/voltha-go/ro_core/config"
 	c "github.com/opencord/voltha-go/ro_core/core"
-	"github.com/opencord/voltha-lib-go/v2/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	"github.com/opencord/voltha-lib-go/v2/pkg/probe"
-	"github.com/opencord/voltha-lib-go/v2/pkg/version"
-	ic "github.com/opencord/voltha-protos/v2/go/inter_container"
+	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/probe"
+	"github.com/opencord/voltha-lib-go/v3/pkg/version"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
 )
 
 type roCore struct {