DX: fix phpstan issues

src/Bundle/ChillBudgetBundle/Repository/ChargeKindRepositoryInterface.php

@@ -19,25 +19,25 @@ interface ChargeKindRepositoryInterface extends ObjectRepository
     public function find($id): ?ChargeKind;
 
     /**
-     * @return ChargeType[]
+     * @return array<ChargeKind>
      */
     public function findAll(): array;
 
     /**
-     * @return ChargeType[]
+     * @return array<ChargeKind>
      */
     public function findAllActive(): array;
 
     /**
-     * @return ChargeType[]
+     * @return array<ChargeKind>
      */
     public function findAllByType(string $type): array;
 
     /**
-     * @param mixed|null $limit
-     * @param mixed|null $offset
+     * @param int|null $limit
+     * @param int|null $offset
      *
-     * @return ChargeType[]
+     * @return array<ChargeKind>
      */
     public function findBy(array $criteria, ?array $orderBy = null, ?int $limit = null, ?int $offset = null): array;