Allow static validator to run before prompt's validator.

Author: AlexSkrypnyk

src/Prompt.php

@@ -403,8 +403,8 @@ private function validate(mixed $value): void
  }
 
  $error = match (true) {
- is_callable($this->validate) => ($this->validate)($value),
  isset(static::$validateUsing) => (static::$validateUsing)($this),
+ is_callable($this->validate) => ($this->validate)($value),
  default => throw new RuntimeException('The validation logic is missing.'),
  };