fix: mail priority

src/Notifier/ValidateConnectorCredentialsErrorNotification.php

@@ -5,6 +5,7 @@ namespace App\Notifier;
 use App\Entity\Connector;
 use Symfony\Bridge\Twig\Mime\TemplatedEmail;
 use Symfony\Component\Mime\Address;
+use Symfony\Component\Mime\Email;
 use Symfony\Component\Notifier\Message\EmailMessage;
 use Symfony\Component\Notifier\Notification\Notification;
 use Symfony\Component\Notifier\Recipient\EmailRecipientInterface;
@@ -23,6 +24,7 @@ class ValidateConnectorCredentialsErrorNotification extends Notification
         return new EmailMessage((new TemplatedEmail())
             ->from($this->sender)
             ->to($recipient->getEmail())
+            ->priority(Email::PRIORITY_HIGH)
             ->subject('Connector credentials error')
             ->htmlTemplate('emails/errors/connector_credentials.html.twig')
             ->locale('en')