SEBA-462 bump XOS chart to latest version

Change-Id: I588a770842f537fc8a71fa31a9cb8238ac7e3e59
diff --git a/xos-core/Chart.yaml b/xos-core/Chart.yaml
index ab04945..9423bca 100644
--- a/xos-core/Chart.yaml
+++ b/xos-core/Chart.yaml
@@ -17,9 +17,9 @@
 description: XOS - An Extensible Cloud Operating System
 icon: https://guide.opencord.org/logos/xos.svg
 
-version: 2.3.7
+version: 2.3.8
 
 # appVersion is of the xos-core and xos-chameleon containers.
 # xos-tosca and xos-api-tester are versioned in values.yaml
-appVersion: 2.1.42
+appVersion: 2.1.55