Bump friendsofphp/php-cs-fixer from 2.16.7 to 2.18.0

Bumps [friendsofphp/php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) from 2.16.7 to 2.18.0.
- [Release notes](https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/FriendsOfPHP/PHP-CS-Fixer/blob/v2.18.0/CHANGELOG.md)
- [Commits](PHP-CS-Fixer/PHP-CS-Fixer@v2.16.7...v2.18.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]