Improving yamllint configuration (#11389)

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

roles/kubernetes-apps/csi_driver/cinder/tasks/cinder-write-cacert.yml

@@ -7,5 +7,5 @@
     src: "{{ cinder_cacert }}"
     dest: "{{ kube_config_dir }}/cinder-cacert.pem"
     group: "{{ kube_cert_group }}"
-    mode: 0640
+    mode: "0640"
   delegate_to: "{{ delegate_host_to_write_cacert }}"

roles/kubernetes-apps/csi_driver/cinder/tasks/main.yml

@@ -18,7 +18,7 @@
     src: "cinder-csi-cloud-config.j2"
     dest: "{{ kube_config_dir }}/cinder_cloud_config"
     group: "{{ kube_cert_group }}"
-    mode: 0640
+    mode: "0640"
   when: inventory_hostname == groups['kube_control_plane'][0]
 
 - name: Cinder CSI Driver | Get base64 cloud-config
@@ -31,7 +31,7 @@
   template:
     src: "{{ item.file }}.j2"
     dest: "{{ kube_config_dir }}/{{ item.file }}"
-    mode: 0644
+    mode: "0644"
   with_items:
     - {name: cinder-csi-driver, file: cinder-csi-driver.yml}
     - {name: cinder-csi-cloud-config-secret, file: cinder-csi-cloud-config-secret.yml}