Release openonu-py adapter chart version 2.4.6

Change-Id: Id73a0823289c67afb4bcf117aa327f44d03c0b28
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index 45878ab..1a482ee 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.4.5"
+version: "2.4.6"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"