feat: cron task to autoupdate Yunohost daily

tasks/apps.yml

@@ -32,3 +32,14 @@
   loop_control:
     loop_var: ynh_app
   when: ynh_app.label not in ynh_installed_apps.values()
+
+- name: Creates a cron file under /etc/cron.d to auto-update Yunohost everyday
+  ansible.builtin.cron:
+    name: "auto-update Yunohost everyday at 12.
+           Logs can be found in /var/log/yunohost/categories/operation"
+    hour: "12"
+    user: root
+    job: "yunohost tools update && \
+          yunohost tools upgrade system && \
+          yunohost tools upgrade apps"
+    cron_file: ynh_autoupdate