[VOL-4290] Voltha go library updates for gRPC migration

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/pkg/grpc/server.go b/pkg/grpc/server.go
index 3674c91..bee418d 100644
--- a/pkg/grpc/server.go
+++ b/pkg/grpc/server.go
@@ -21,7 +21,7 @@
 
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
-	"github.com/opencord/voltha-lib-go/v6/pkg/log"
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"