Exads update for PHP 8.4 compatibility

This fix the explicit nullable params on exeptions.

What's Changed

• EX-12383 - Fix for PHP 8.4 on ResponseException by @marco-exads in #1
• Update ResponseException.php by @marco-exads in #2

New Contributors

• @marco-exads made their first contribution in #1

Full Changelog: 3.2.1...3.2.2