[VOL-2356]core log_level command line argument should take log level names not int value

Change-Id: Id5915a5eb6e9a6a5a2a350022a8167b3434d2825
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 0c12bb3..dc20f86 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -17,7 +17,7 @@
 description: A Helm chart for Voltha based on K8S resources in Voltha project
 icon: https://guide.opencord.org/logos/cord.svg
 
-version: 2.2.3
+version: 2.2.4
 
 # app version applies to multiple components with potentially different
 # container image versions