chronos-umbrella: releasing 0.1.28 for portal bug fixes

Change-Id: I8509215ed948bc447f4c96b2418954bb91d5055b
diff --git a/chronos-exporter/values.yaml b/chronos-exporter/values.yaml
index cd4cc27..9b97fc3 100644
--- a/chronos-exporter/values.yaml
+++ b/chronos-exporter/values.yaml
@@ -10,7 +10,7 @@
 

 image:

   repository: onosproject/chronos-exporter

-  tag: v0.0.19

+  tag: v0.0.20

   pullPolicy: IfNotPresent

   pullSecrets: []