revert number of days to 1 month

Author: TSI-ashishsharma

lib/Jobs/SendNotificationsJob.php

@@ -71,7 +71,7 @@ public function __construct(
 	protected function run($argument): void {
 		$limit = (int)$this->config->getAppValue($this->appName, 'status-email-max-mail-sent', '1000');
 
-		$trackedNotifications = $this->service->findAllOlderThan(new \DateTime("-1 day"), $limit);
+		$trackedNotifications = $this->service->findAllOlderThan(new \DateTime("-1 month"), $limit);
 
 		// for debugging
 		//$trackedNotifications = $this->service->findAllOlderThan(new \DateTime('now'), $limit);