Update friendsofphp/php-cs-fixer requirement from ^2.16 to ^2.17 (#106)

Updates the requirements on [friendsofphp/php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) to permit the latest version.
- [Release notes](https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/FriendsOfPHP/PHP-CS-Fixer/blob/2.17/CHANGELOG.md)
- [Commits](PHP-CS-Fixer/PHP-CS-Fixer@v2.16.0...v2.17.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

composer.json

@@ -20,7 +20,7 @@
     "require-dev": {
         "phpunit/phpunit": "^9.5",
         "php-coveralls/php-coveralls": "^2.4",
-        "friendsofphp/php-cs-fixer": "^2.16",
+        "friendsofphp/php-cs-fixer": "^2.17",
         "roave/security-advisories": "dev-master",
         "squizlabs/php_codesniffer": "^3.5",
         "vimeo/psalm": "dev-master"