Fix "Forbidden implicit octal value" lint errors

roles/authcheck/tasks/main.yml

@@ -22,7 +22,7 @@
   ansible.builtin.template:
     dest: /etc/systemd/system/authcheck-container.service
     src: authcheck-container.service.j2
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
 
@@ -39,7 +39,7 @@
       location /authcheck {
         proxy_pass http://127.0.0.1:8003/;
       }
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
   notify: Restart nginx