Fix phpstan

Author: tomas-novotny

composer.json

@@ -74,7 +74,7 @@
       "@phpcs"
     ],
     "style:phpstan": [
-      "@phpstan -l 8"
+      "@phpstan -l 9"
     ],
     "style:check": [
       "@style:phpcs",

src/Convertor.php

@@ -37,6 +37,9 @@ public static function toArray(mixed $data, ?int $limit = null): array
         return self::toArrayWithDepth($data, $limit ?? PHP_INT_MAX, 1);
     }
 
+    /**
+     * @return ($depth is 1 ? array<mixed> : mixed)
+     */
     private static function toArrayWithDepth(mixed $data, int $limit, int $depth): mixed
     {
         if ($limit <= 0) {

tests/BaseModelTest.php

@@ -12,9 +12,11 @@
 final class BaseModelTest extends TestCase
 {
     /**
+     * @param array<mixed> $data
+     *
      * @dataProvider providesToArray
      */
-    public function testJsonSerialize(mixed $data, string|Throwable $result): void
+    public function testJsonSerialize(array $data, string|Throwable $result): void
     {
         if ($result instanceof Throwable) {
             self::expectException($result::class);