Bump friendsofphp/php-cs-fixer from 2.18.3 to 3.0.0

Bumps [friendsofphp/php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) from 2.18.3 to 3.0.0.
- [Release notes](https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/FriendsOfPHP/PHP-CS-Fixer/blob/3.0/CHANGELOG.md)
- [Commits](PHP-CS-Fixer/PHP-CS-Fixer@v2.18.3...v3.0.0)

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

Author: dependabot[bot]

composer.json

@@ -16,7 +16,7 @@
         "guzzlehttp/guzzle": "^7.2.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.16.3",
+        "friendsofphp/php-cs-fixer": "^3.0.0",
         "phpstan/phpstan": "^0.12.25",
         "roave/security-advisories": "dev-master"
     },