Switch backup action to new schedule syntax (#3801)

InvenTree/InvenTree/apps.py

@@ -65,12 +65,6 @@ class InvenTreeConfig(AppConfig):
             )
         logger.info("Started background tasks...")
 
-        # Make regular backups
-        InvenTree.tasks.schedule_task(
-            'InvenTree.tasks.run_backup',
-            schedule_type=Schedule.DAILY,
-        )
-
     def update_exchange_rates(self):  # pragma: no cover
         """Update exchange rates each time the server is started.
 

InvenTree/InvenTree/tasks.py

@@ -342,6 +342,7 @@ def update_exchange_rates():
         logger.error(f"Error updating exchange rates: {e}")
 
 
+@scheduled_task(ScheduledTask.DAILY)
 def run_backup():
     """Run the backup command."""
     call_command("dbbackup", noinput=True, clean=True, compress=True, interactive=False)