add quotes around octal values

YAML loaders will load them as strings, providing a consistent behavior. This is also safer as JSON does not support octal values either.

roles/lego/tasks/main.yml

@@ -25,7 +25,7 @@
     remote_src: true
     src: "/var/tmp/lego.tar.gz"
     dest: "/var/tmp"
-    mode: 0755
+    mode: "0755"
     extra_opts:
       - --one-top-level
     include:
@@ -34,7 +34,7 @@
 - name: Create lego config directory
   file:
     path: "{{ lego_config_dir }}"
-    mode: 0755
+    mode: "0755"
     state: directory
 
 - name: Check lego registration
@@ -57,6 +57,6 @@
   template:
     src: "{{ item }}.j2"
     dest: "/etc/systemd/system/{{ item }}"
-    mode: 0644
+    mode: "0644"
   loop: [lego.service, lego.timer]
   notify: [restart lego_service, restart lego_timer]