VOL-3280 - move off beta api version

and deal add selector, which seems to have had been
left out

Change-Id: Iafa3181e8b53d0d89f86f15b9e367e02465d9cce
diff --git a/voltha/Chart.yaml b/voltha/Chart.yaml
index 7219b6a..24152ee 100644
--- a/voltha/Chart.yaml
+++ b/voltha/Chart.yaml
@@ -14,7 +14,7 @@
 ---
 apiVersion: "v1"
 name: "voltha"
-version: "2.4.14"
+version: "2.4.15"
 description: "A Helm chart for Voltha based on K8S resources in Voltha project"
 keywords:
   - "onf"