Update composer package doctrine/dbal

We cannot update to the latest version of the dbal 3 because there is a another package conflict.
[MAILPOET-6101]

mailpoet/lib/Cron/Workers/StatsNotifications/NewsletterLinkRepository.php

@@ -5,7 +5,7 @@ namespace MailPoet\Cron\Workers\StatsNotifications;
 use MailPoet\Doctrine\Repository;
 use MailPoet\Entities\NewsletterLinkEntity;
 use MailPoet\Entities\StatisticsClickEntity;
-use MailPoetVendor\Doctrine\DBAL\Driver\Statement;
+use MailPoetVendor\Doctrine\DBAL\Result;
 
 /**
  * @extends Repository<NewsletterLinkEntity>
@@ -31,7 +31,7 @@ class NewsletterLinkRepository extends Repository {
       ->orderBy('counter', 'desc')
       ->setMaxResults(1)
       ->execute();
-    if (!$topIdQuery instanceof Statement) {
+    if (!$topIdQuery instanceof Result) {
       return null;
     }
     $topId = $topIdQuery->fetch();