SEBA-736 Update xos-core and service helm charts

Change-Id: I2a248e3bb248f61f143188bf2e2da90b21227d3a
diff --git a/xos-services/volt/Chart.yaml b/xos-services/volt/Chart.yaml
index 01eff1b..40014f5 100644
--- a/xos-services/volt/Chart.yaml
+++ b/xos-services/volt/Chart.yaml
@@ -17,5 +17,5 @@
 description: A Helm chart for XOS's "olt-service" service
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.2.3
-appVersion: 2.2.3
+version: 2.2.4
+appVersion: 2.2.4