Releasing 3.0.0 with updated charts and components for voltha 2.9 release

Change-Id: I35800b546f46cc60a46b9ea3d3c793bf2712dfce
diff --git a/voltha-adapter-openolt/Chart.yaml b/voltha-adapter-openolt/Chart.yaml
index 43f7566..7c89ffb 100644
--- a/voltha-adapter-openolt/Chart.yaml
+++ b/voltha-adapter-openolt/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha-adapter-openolt"
-version: "2.10.7"
+version: "2.10.8"
 description: "A Helm chart for Voltha OpenOLT Adapter"
 keywords:
   - "onf"
@@ -33,4 +33,4 @@
 
 # appVersion refers to multiple components with potentially different
 # container image versions.
-appVersion: "4.1.1"
+appVersion: "4.1.5"