Bumping OLT Service version

Change-Id: Ib83622c027bc8d4bf9f611e7b371e9ac5eec5793
diff --git a/xos-services/volt/Chart.yaml b/xos-services/volt/Chart.yaml
index 25917fb..1c2b862 100644
--- a/xos-services/volt/Chart.yaml
+++ b/xos-services/volt/Chart.yaml
@@ -18,4 +18,4 @@
 icon: https://guide.opencord.org/logos/cord.svg
 
 version: 2.1.3
-appVersion: 2.1.3
+appVersion: 2.1.4