[VOL-5514] Add timeout for OLT gRPC requests

Signed-off-by: bseeniva <balaji.seenivasan@radisys.com>
Change-Id: I56bab809e9b67effc6f6d4c6ef32889a7a2c128d
diff --git a/VERSION b/VERSION
index 83da99b..ef36c9a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.6.3
+4.6.4