Upgrade JetStack Cert-Manager to v0.15.2 (#6414)

* Upgrade JetStack Cert-Manager to v0.15.2

* Add README.md table of contents

roles/kubernetes-apps/ingress_controller/cert_manager/templates/sa-cert-manager.yml.j2

@@ -1,3 +1,30 @@
+# Copyright YEAR The Jetstack cert-manager contributors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: cert-manager-cainjector
+  namespace: {{ cert_manager_namespace }}
+  labels:
+    app: cainjector
+    app.kubernetes.io/name: cainjector
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: cainjector
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}
 ---
 apiVersion: v1
 kind: ServiceAccount
@@ -6,6 +33,21 @@ metadata:
   namespace: {{ cert_manager_namespace }}
   labels:
     app: cert-manager
-    chart: cert-manager-v0.5.2
-    release: cert-manager
-    heritage: Tiller
+    app.kubernetes.io/name: cert-manager
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: controller
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: cert-manager-webhook
+  namespace: {{ cert_manager_namespace }}
+  labels:
+    app: webhook
+    app.kubernetes.io/name: webhook
+    app.kubernetes.io/instance: cert-manager
+    app.kubernetes.io/managed-by: Helm
+    app.kubernetes.io/component: webhook
+    helm.sh/chart: cert-manager-{{ cert_manager_version }}