kafka integration helm changes

Change-Id: Ie85c9b11dcddc0191ecc3a04d220daa5760105af
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index adf0de8..6352596 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.11.7"
+version: "2.12.0"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"
@@ -33,4 +33,4 @@
 
 # app version applies to multiple components with potentially different
 # container image versions
-appVersion: "2.11"
+appVersion: "2.12"