Releasing latest voltha-onos with DHCP fix

Change-Id: I282cad2e49e5cf9c2ab77793623b5cdd7c436600
diff --git a/VERSION b/VERSION
index 36d063b..8a0b29a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.0-dev3
+4.1.0-dev4