Fix "Forbidden implicit octal value" lint errors

roles/kdc/tasks/main.yml

@@ -22,7 +22,7 @@
   ansible.builtin.template:
     dest: /etc/sysconfig/kdc-container
     src: kdc-container.sysconfig.j2
-    mode: 0600
+    mode: "0600"
     owner: root
     group: "{{ ansible_wheel }}"
 
@@ -30,7 +30,7 @@
   ansible.builtin.copy:
     dest: /etc/systemd/system/kdc-container.service
     src: kdc-container.service
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
 
@@ -47,7 +47,7 @@
       location /KdcProxy {
         proxy_pass http://127.0.0.1:8001;
       }
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
   notify: Restart nginx