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

* Upgrade JetStack Cert-Manager to v0.15.2

* Add README.md table of contents

roles/download/defaults/main.yml

@@ -546,9 +546,13 @@ ingress_ambassador_image_repo: "{{ quay_image_repo }}/datawire/ambassador-operat
 ingress_ambassador_image_tag: "v1.2.8"
 alb_ingress_image_repo: "{{ docker_image_repo }}/amazon/aws-alb-ingress-controller"
 alb_ingress_image_tag: "v1.1.8"
-cert_manager_version: "v0.11.1"
+cert_manager_version: "v0.15.2"
 cert_manager_controller_image_repo: "{{ quay_image_repo }}/jetstack/cert-manager-controller"
 cert_manager_controller_image_tag: "{{ cert_manager_version }}"
+cert_manager_cainjector_image_repo: "{{ quay_image_repo }}/jetstack/cert-manager-cainjector"
+cert_manager_cainjector_image_tag: "{{ cert_manager_version }}"
+cert_manager_webhook_image_repo: "{{ quay_image_repo }}/jetstack/cert-manager-webhook"
+cert_manager_webhook_image_tag: "{{ cert_manager_version }}"
 addon_resizer_version: "1.8.9"
 addon_resizer_image_repo: "{{ kube_image_repo }}/addon-resizer"
 addon_resizer_image_tag: "{{ addon_resizer_version }}"
@@ -1078,6 +1082,24 @@ downloads:
     groups:
     - kube-node
 
+  cert_manager_cainjector:
+    enabled: "{{ cert_manager_enabled }}"
+    container: true
+    repo: "{{ cert_manager_cainjector_image_repo }}"
+    tag: "{{ cert_manager_cainjector_image_tag }}"
+    sha256: "{{ cert_manager_cainjector_digest_checksum|default(None) }}"
+    groups:
+    - kube-node
+
+  cert_manager_webhook:
+    enabled: "{{ cert_manager_enabled }}"
+    container: true
+    repo: "{{ cert_manager_webhook_image_repo }}"
+    tag: "{{ cert_manager_webhook_image_tag }}"
+    sha256: "{{ cert_manager_webhook_digest_checksum|default(None) }}"
+    groups:
+    - kube-node
+
   csi_attacher:
     enabled: "{{ cinder_csi_enabled or aws_ebs_csi_enabled }}"
     container: true