Bump friendsofphp/php-cs-fixer from 2.16.7 to 2.17.1

Bumps [friendsofphp/php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) from 2.16.7 to 2.17.1.
- [Release notes](https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/FriendsOfPHP/PHP-CS-Fixer/blob/2.17/CHANGELOG.md)
- [Commits](https://github.com/FriendsOfPHP/PHP-CS-Fixer/compare/v2.16.7...v2.17.1

)

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