Remove Braces rule

Braces rule was deprecated since 3.16 of friendsofphp/php-cs-fixer.
So, Now this library require >= 3.16 friendsofphp/php-cs-fixer.

What's Changed

• fix: remove braces rule by @Bchaises in #24

New Contributors

• @Bchaises made their first contribution in #24

Full Changelog: v3.1.0...v3.2.0