VOL-4427: Clear stale keys from etcd

Change-Id: I1ec22b62155a5d10229dafe645d6b99a1e29e649
diff --git a/VERSION b/VERSION
index 56f5e1b..01b0f09 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.8.12
+2.8.13