Bump Kubectl and Helm in Auto-DevOps.gitlab-ci.yml

changelogs/unreleased/kube_helm_auto_devops_213.yml

+---
+title: Bump kubectl to 1.11.9 and Helm to 2.13.1 in Auto-DevOps.gitlab-ci.yml
+merge_request: 26534
+author:
+type: other

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

@@ -50,8 +50,8 @@ variables:
   POSTGRES_DB: $CI_ENVIRONMENT_SLUG
   POSTGRES_VERSION: 9.6.2
 
-  KUBERNETES_VERSION: 1.11.7
-  HELM_VERSION: 2.12.3
+  KUBERNETES_VERSION: 1.11.9
+  HELM_VERSION: 2.13.1
 
   DOCKER_DRIVER: overlay2