feat(backup): change docker-compose path

tasks/main.yml

@@ -58,7 +58,7 @@
     minute: "00"
     hour: "00"
     weekday: "7"
-    job: /usr/local/bin/docker-compose -f /home/docker/backups/backup-nextcloud.yaml run --rm backup_nextcloud
+    job: /usr/bin/docker-compose -f /home/docker/backups/backup-nextcloud.yaml run --rm backup_nextcloud
   when: inventory_hostname in groups['maintenance_contract']
 
 # Flush handlers in order to start nextcloud if necessary