delete old backups with external rm process

tasks/main.yaml

@@ -39,6 +39,15 @@
     enabled: true
     state: started
 
+- name: Ensure old backups will get deleted
+  ansible.builtin.cron:
+    name: gitea backup cleanup
+    minute: "0"
+    hour: "8"
+    user: root
+    job: "find /var/backups/gitea-* -mtime +7 -type f -exec rm {} +"
+    cron_file: gitea-backup-cleanup
+
 - name: Check if environment.env will get changed
   ansible.builtin.template:
     src: environment.env.j2