[VOL-5417] Update the voltha-lib-go version to fix the reconcile issue

Change-Id: I651669aff5c7d6b033413cdedbccbaf9f4111a54
Signed-off-by: pnalmas <praneeth.nalmas@radisys.com>
diff --git a/VERSION b/VERSION
index 3afbea7..bb8dc63 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.5.5
+4.5.6