Improving yamllint configuration (#11389)

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

roles/container-engine/gvisor/molecule/default/prepare.yml

@@ -29,7 +29,7 @@
         src: "{{ item }}"
         dest: "/tmp/{{ item }}"
         owner: root
-        mode: 0644
+        mode: "0644"
       with_items:
         - container.json
         - sandbox.json
@@ -38,12 +38,12 @@
         path: /etc/cni/net.d
         state: directory
         owner: root
-        mode: 0755
+        mode: "0755"
     - name: Setup CNI
       copy:
         src: "{{ item }}"
         dest: "/etc/cni/net.d/{{ item }}"
         owner: root
-        mode: 0644
+        mode: "0644"
       with_items:
         - 10-mynet.conf