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

Change-Id: I1aa2774beb6b7ed7419bc45aeb53fcae8a8ecda0
diff --git a/VERSION b/VERSION
index 9b9a244..66ce77b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-6.0.2
+7.0.0