Merge branch 'kubectl_v1_13' into 'master'

Updated to kubectl v1.13.12 and helm v2.15.1

See merge request gitlab-org/gitlab!18924

changelogs/unreleased/19054-upgrade-helm.yml

+---
+title: 'Updated Auto-DevOps to kubectl v1.13.12 and helm v2.15.1'
+merge_request: 19054
+author: Leo Antunes
+type: changed

lib/gitlab/ci/templates/Jobs/DAST-Default-Branch-Deploy.gitlab-ci.yml

 .auto-deploy:
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-deploy-image:v0.1.0"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-deploy-image:v0.4.0"
 
 dast_environment_deploy:
   extends: .auto-deploy

lib/gitlab/ci/templates/Jobs/Deploy.gitlab-ci.yml

 .auto-deploy:
-  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-deploy-image:v0.3.0"
+  image: "registry.gitlab.com/gitlab-org/cluster-integration/auto-deploy-image:v0.4.0"
 
 review:
   extends: .auto-deploy

lib/gitlab/kubernetes/helm.rb

@@ -3,8 +3,8 @@
 module Gitlab
   module Kubernetes
     module Helm
-      HELM_VERSION = '2.14.3'
-      KUBECTL_VERSION = '1.11.10'
+      HELM_VERSION = '2.15.1'
+      KUBECTL_VERSION = '1.13.12'
       NAMESPACE = 'gitlab-managed-apps'
       SERVICE_ACCOUNT = 'tiller'
       CLUSTER_ROLE_BINDING = 'tiller-admin'

spec/lib/gitlab/kubernetes/helm/pod_spec.rb

@@ -30,7 +30,7 @@ describe Gitlab::Kubernetes::Helm::Pod do
       it 'generates the appropriate specifications for the container' do
         container = subject.generate.spec.containers.first
         expect(container.name).to eq('helm')
-        expect(container.image).to eq('registry.gitlab.com/gitlab-org/cluster-integration/helm-install-image/releases/2.14.3-kube-1.11.10')
+        expect(container.image).to eq('registry.gitlab.com/gitlab-org/cluster-integration/helm-install-image/releases/2.15.1-kube-1.13.12')
         expect(container.env.count).to eq(3)
         expect(container.env.map(&:name)).to match_array([:HELM_VERSION, :TILLER_NAMESPACE, :COMMAND_SCRIPT])
         expect(container.command).to match_array(["/bin/sh"])