change: cron scheduling

tasks/main.yml

@@ -47,8 +47,8 @@
 - name: add cron job to run backup every week
   cron:
     name: backup owncloud
-    minute: "43"
-    hour: "2"
+    minute: "00"
+    hour: "00"
     weekday: "7"
     job: /usr/local/bin/docker-compose -f /home/docker/backups/backup-owncloud.yaml run --rm backup_owncloud
   when: inventory_hostname in groups['maintenance_contract']