fix: use plain password in configuration for MailJet webhook url

src/Controller/Webhook/MailjetNewsletterWebhookController.php

@@ -22,7 +22,7 @@ final class MailjetNewsletterWebhookController extends AbstractController
     }
 
     #[Route('/webhooks/mailjet/newsletter', name: 'app_webhook_mailjet_newsletter', methods: ['POST'])]
-    public function __invoke(Request $request): JsonResponse
+    public function index(Request $request): JsonResponse
     {
         $payload = json_decode($request->getContent(), true);
         if (JSON_ERROR_NONE !== json_last_error() || false === is_array($payload)) {
@@ -51,8 +51,7 @@ final class MailjetNewsletterWebhookController extends AbstractController
     }
 
     /**
-     * @param array<mixed> $payload
-     *
+     * @param array<string, mixed> $payload
      * @return list<array<string, mixed>>
      */
     private function normalizeEvents(array $payload): array