VOL-3310 Update image tags for release

Change-Id: I8b7da6fbe8332d7689e43457b7db0f0ce504ae1c
diff --git a/VERSION b/VERSION
index 197c4d5..dfb9edc 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.4.0
+2.4.1-dev