[CORD-3050]v2 - run helm init before helm dep when linting

Change-Id: I5c04f58024d0fd63b75ba23983d246629a1de20a
diff --git a/jjb/lint.yaml b/jjb/lint.yaml
index 171c469..d1af69f 100644
--- a/jjb/lint.yaml
+++ b/jjb/lint.yaml
@@ -128,4 +128,8 @@
     concurrent: true
 
     builders:
+      - shell: |
+          helm init --client-only
+          helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
+
       - shell: !include-raw-escape: shell/helmlint.sh