VOL-2826 Release VOLTHA 2.3 charts

Change-Id: I696ca3cf6fec2baece40b9183afeffa46faf7ea7
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index cfc60a6..925165c 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -1,3 +1,4 @@
+---
 # Copyright 2019-present Open Networking Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,13 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
----
 name: voltha
 description: A Helm chart for Voltha based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.2.9
+version: 2.3.0
 
 # app version applies to multiple components with potentially different
 # container image versions
-appVersion: 2.2
+appVersion: 2.3