cups_server: Lint fixes

roles/cups_server/tasks/main.yml

@@ -8,7 +8,7 @@
   ansible.builtin.file:
     path: /etc/systemd/system/cups.service.d
     state: directory
-    mode: 0755
+    mode: "0755"
     owner: root
     group: "{{ ansible_wheel }}"
 
@@ -16,7 +16,7 @@
   ansible.builtin.copy:
     dest: /etc/systemd/system/cups.service.d/keytab.conf
     content: "[Service]\nEnvironment=KRB5_KTNAME=FILE:/etc/cups/cups.keytab\n"
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
 
@@ -111,7 +111,7 @@
   ansible.builtin.copy:
     dest: "/usr/share/cups/www/{{ item }}"
     src: "{{ item }}"
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
   with_items:
@@ -122,7 +122,7 @@
   ansible.builtin.copy:
     dest: /usr/share/cups/templates/header.tmpl
     src: header.tmpl
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"