3.2.0

What's Changed

Fix php 8.4 deprecations implicitly marking parameter as nullable is deprecated by @8ctopus in https://github.com/hassankhan/config/pull/163
Add PHP 8.3 and 8.4 to the CI matrix by @DavidePastore in https://github.com/hassankhan/config/pull/164
Fix fatal error when root is null in has() method by @omniError in https://github.com/hassankhan/config/pull/160
Add release notes for 3.2.0 by @DavidePastore in https://github.com/hassankhan/config/pull/166
Release 3.2.0 by @DavidePastore in https://github.com/hassankhan/config/pull/167

@8ctopus made their first contribution in https://github.com/hassankhan/config/pull/163
@omniError made their first contribution in https://github.com/hassankhan/config/pull/160

Full Changelog: https://github.com/hassankhan/config/compare/3.1.0...3.2.0