Improving yamllint configuration (#11389)

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

roles/container-engine/docker/tasks/main.yml

@@ -82,14 +82,14 @@
   template:
     src: "fedora_docker.repo.j2"
     dest: "{{ yum_repo_dir }}/docker.repo"
-    mode: 0644
+    mode: "0644"
   when: ansible_distribution == "Fedora" and not is_ostree
 
 - name: Configure docker repository on RedHat/CentOS/OracleLinux/AlmaLinux/KylinLinux
   template:
     src: "rh_docker.repo.j2"
     dest: "{{ yum_repo_dir }}/docker-ce.repo"
-    mode: 0644
+    mode: "0644"
   when:
     - ansible_os_family == "RedHat"
     - ansible_distribution != "Fedora"