[VOL-4289]  Proto changes for gRPC migration

Change-Id: I317a0a865ccf78d0c37aa229c50d293a3f66c8bb
diff --git a/VERSION b/VERSION
old mode 100644
new mode 100755
index 50299d1..0062ac9
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.3.0-dev
+5.0.0