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

Change-Id: I86744943d59de38e9285ed7f53adc49c3b047e62
diff --git a/db/model/merge.go b/db/model/merge.go
index a1cb2db..1c9d0a5 100644
--- a/db/model/merge.go
+++ b/db/model/merge.go
@@ -17,7 +17,7 @@
 package model
 
 import (
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 )
 
 func revisionsAreEqual(a, b []Revision) bool {