upgrade cert-manager

ansible/group_vars/all/oas.yml

@@ -54,4 +54,4 @@ cert_manager:
   # cert-manager requires custom resource definitions applied before installing
   # the helm chart. See https://hub.helm.sh/charts/jetstack/cert-manager for
   # details
-  crd_version: '0.9'
+  crd_version: '0.11.0'

ansible/roles/apps/tasks/cert-manager.yml

@@ -2,7 +2,7 @@
 - name: Install CRDs for cert-manager
   tags:
     - cert-manager
-  command: '/snap/bin/kubectl apply -f https://raw.githubusercontent.com/jetstack/cert-manager/release-{{ cert_manager.crd_version }}/deploy/manifests/00-crds.yaml'
+  command: '/snap/bin/kubectl apply -f https://raw.githubusercontent.com/jetstack/cert-manager/v{{ cert_manager.crd_version }}/deploy/manifests/00-crds.yaml'
 
 - name: Prevent validation deadlock for cert-manager
   tags: