Update onos artifact & chart verison

[VOL-5282] - Debug hang in volthaStackDeploy (=> onos)

Change-Id: Ie7ef2f1d0753c6b44594adc149bb3a531e2725f2
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 080aa7b..3b6785d 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -17,7 +17,7 @@
 
 ## Chart version for package: 'voltha'
 ##   Increment when Chart.yaml changes
-version: "2.12.16"
+version: "2.12.17"
 
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords: