Initialize actions field on all events to fix field validation error

Co-authored-by: swissspidy <841956+swissspidy@users.noreply.github.com>

Author: Copilot

src/Cron_Event_Command.php

@@ -406,6 +406,7 @@ protected static function format_event( stdClass $event ) {
 		$event->next_run          = get_date_from_gmt( date( 'Y-m-d H:i:s', $event->time ), self::$time_format ); //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
 		$event->next_run_gmt      = date( self::$time_format, $event->time ); //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date
 		$event->next_run_relative = self::interval( $event->time - time() );
+		$event->actions           = '';
 
 		return $event;
 	}