Fix Helm 2 init to use the updated repo URL

Author: Eugen Cusmaunsa

.circleci/config.yml

@@ -24,7 +24,7 @@ jobs:
           name: Prepare Helm
           command: |
             set -x
-            helm init --client-only
+            helm init --stable-repo-url https://charts.helm.sh/stable --client-only
             helm dependency update
       - run:
           name: Helm Lint Check