Fix "Forbidden implicit octal value" lint errors

roles/network/tasks/OpenBSD.yml

@@ -3,7 +3,7 @@
   ansible.builtin.template:
     src: hostname.if.j2
     dest: "/etc/hostname.{{ item.device }}"
-    mode: 0600
+    mode: "0600"
     owner: root
     group: "{{ ansible_wheel }}"
   with_items: "{{ network_interfaces }}"
@@ -13,7 +13,7 @@
   ansible.builtin.template:
     src: hostname.carp.j2
     dest: "/etc/hostname.carp{{ item.vhid }}"
-    mode: 0600
+    mode: "0600"
     owner: root
     group: "{{ ansible_wheel }}"
   with_items: "{{ network_vip_interfaces }}"
@@ -34,7 +34,7 @@
   ansible.builtin.copy:
     content: "{{ network_default_gateway }}\n"
     dest: /etc/mygate
-    mode: 0600
+    mode: "0600"
     owner: root
     group: "{{ ansible_wheel }}"
   notify: Restart network