Update onos artifact & chart verison

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

Change-Id: Ie7ef2f1d0753c6b44594adc149bb3a531e2725f2
diff --git a/voltha-infra/values.yaml b/voltha-infra/values.yaml
index f64dd40..8659797 100644
--- a/voltha-infra/values.yaml
+++ b/voltha-infra/values.yaml
@@ -1,4 +1,4 @@
-# Copyright 2020-2023 Open Networking Foundation (ONF) and the ONF Contributors
+# Copyright 2020-2024 Open Networking Foundation (ONF) and the ONF Contributors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -28,7 +28,7 @@
   image:
     pullPolicy: Always
     repository: voltha/voltha-onos
-    tag: 5.1.1
+    tag: 5.1.8
   apps:
     - org.onosproject.lldpprovider
     - org.onosproject.openflow-base