VOL-2137 move to next dev release

Change-Id: Icd23a67c31fa1afb637cb729e16b4d09abd2a530
diff --git a/VERSION b/VERSION
index 530cdd9..7c8d436 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.4
+2.2.5-dev