[VOL-5241]: Add Zyxel to ONU Vendor list

Change-Id: I4dc8f0efd1a85cad001e9987d68859070f0f9d4b
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 38aac8d..a319783 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.12.10"
+version: "2.12.11"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"