Improving yamllint configuration (#11389)

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

roles/network_plugin/custom_cni/tasks/main.yml

@@ -12,7 +12,7 @@
     template:
       src: "{{ item }}"
       dest: "{{ kube_config_dir }}/{{ item | basename | replace('.j2', '') }}"
-      mode: 0644
+      mode: "0644"
     loop: "{{ custom_cni_manifests }}"
     delegate_to: "{{ groups['kube_control_plane'] | first }}"
     run_once: true