Releasing voltha-onos with the bases 2.2-latest ONOS image including the  fix

Change-Id: Id167a59d49a490836af464e7d2b4d602f68c7589
diff --git a/VERSION b/VERSION
index 7c04f25..1c00788 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.0-dev3
+4.2.0-dev4