Fix lint

Author: norkunas

src/Http/Serialize/Json.php

@@ -6,7 +6,7 @@
 
 class Json implements SerializerInterface
 {
-    public function serialize(mixed $data): string|bool
+    public function serialize(mixed $data): string
     {
         return json_encode($data, JSON_THROW_ON_ERROR);
     }

src/Http/Serialize/SerializerInterface.php

@@ -11,11 +11,9 @@ interface SerializerInterface
      *
      * @param string|int|float|bool|array<mixed>|null $data
      *
-     * @return string|bool
-     *
      * @throws \JsonException
      */
-    public function serialize(mixed $data): string|bool;
+    public function serialize(mixed $data): string;
 
     /**
      * Unserialize the given string.