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/webserver/tasks/rclone.yml

@@ -3,6 +3,6 @@
   template:
     src: "rclone.conf.j2"
     dest: "{{ rclone_config_file }}"
-    mode: 0600
+    mode: "0600"
     # rclone config file changes while using to force update via ansible use rclone_config_force
     force: "{{ rclone_config_force }}"