fix arrayFilter helper function

src/Infrastructure/functions.php

@@ -7,9 +7,9 @@ use function array_values;
 
 /**
  * @template T
- * @param array<T> $input
- * @param callable(mixed, mixed=):scalar $callable
- * @return array<int, T>
+ * @param T[] $input
+ * @param callable(T):bool $callable
+ * @return T[]
  */
 function arrayFilter(array $input, callable $callable): array
 {