Updating openonu-go to 1.3.23

Change-Id: If65e4c0ca0dcecb555bb5f8052572d8bbe670571
diff --git a/VERSION b/VERSION
index 3db58c9..9423d08 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.8.19
+2.8.20
diff --git a/voltha-adapter-openonu/Chart.yaml b/voltha-adapter-openonu/Chart.yaml
index ec2d78e..ec09775 100644
--- a/voltha-adapter-openonu/Chart.yaml
+++ b/voltha-adapter-openonu/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openonu"
-version: "2.8.14"
+version: "2.8.15"
 description: "A Helm chart for Voltha OpenONU Adapter"
 keywords:
   - "onf"
@@ -33,4 +33,4 @@
 
 # appVersion refers to multiple components with potentially different
 # container image versions.
-appVersion: "1.3.19"
+appVersion: "1.3.23"
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index 686f328..b1b07d1 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -28,7 +28,7 @@
 name: voltha-stack
 
 appVersion: "2.8"
-version: 2.8.15
+version: 2.8.16
 
 dependencies:
   - name: voltha
@@ -37,7 +37,7 @@
     condition: voltha.enabled
   - name: voltha-adapter-openonu
     repository: file://../voltha-adapter-openonu
-    version: 2.8.14
+    version: 2.8.15
     condition: voltha-adapter-openonu.enabled
   - name: voltha-adapter-openolt
     repository: file://../voltha-adapter-openolt