Bump edge-monitoring version to 0.5.6

Change-Id: Ie661664676bf7320444a65207b2b55d1252f3b96
diff --git a/edge-monitoring/VERSION b/edge-monitoring/VERSION
index d1d899f..b49b253 100644
--- a/edge-monitoring/VERSION
+++ b/edge-monitoring/VERSION
@@ -1 +1 @@
-0.5.5
+0.5.6