Change HELM_HOST in Auto-DevOps to work behind proxy

changelogs/unreleased/kinolaev-master-patch-91872.yml

+---
+title: Change HELM_HOST in Auto-DevOps template to work behind proxy
+merge_request: 22596
+author: Sergej Nikolaev <kinolaev@gmail.com>
+type: fixed

lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml

@@ -823,7 +823,7 @@ rollout 100%:
   function initialize_tiller() {
     echo "Checking Tiller..."
 
-    export HELM_HOST=":44134"
+    export HELM_HOST="localhost:44134"
     tiller -listen ${HELM_HOST} -alsologtostderr > /dev/null 2>&1 &
     echo "Tiller is listening on ${HELM_HOST}"