Using latest released version for different components and update voltha-stack chart.

Change-Id: I383927d4c691859ca33a73d384b633435eed15e7
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 262023d..23eb305 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.9.2"
+version: "2.9.3"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"