update cs after php-cs-fixer upgrade

src/Bundle/ChillMainBundle/Entity/CronJobExecution.php

@@ -36,7 +36,7 @@ class CronJobExecution
     public function __construct(
         #[ORM\Column(type: \Doctrine\DBAL\Types\Types::TEXT, nullable: false)]
         #[ORM\Id]
-        private string $key
+        private string $key,
     ) {
         $this->lastStart = new \DateTimeImmutable('now');
     }