Improving yamllint configuration (#11389)

Signed-off-by: Bas Meijer <bas.meijer@enexis.nl>

roles/kubernetes-apps/ingress_controller/cert_manager/tasks/main.yml

@@ -24,7 +24,7 @@
     state: directory
     owner: root
     group: root
-    mode: 0755
+    mode: "0755"
   when:
     - inventory_hostname == groups['kube_control_plane'][0]
 
@@ -38,7 +38,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/addons/cert_manager/{{ item.file }}"
-    mode: 0644
+    mode: "0644"
   with_items: "{{ cert_manager_templates }}"
   register: cert_manager_manifests
   when: