Bump friendsofphp/php-cs-fixer from 2.19.3 to 3.4.0

Bumps [friendsofphp/php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) from 2.19.3 to 3.4.0.
- [Release notes](https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases)
- [Changelog](https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/FriendsOfPHP/PHP-CS-Fixer/compare/v2.19.3...v3.4.0)

---
updated-dependencies:
- dependency-name: friendsofphp/php-cs-fixer
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

composer.json

@@ -122,7 +122,7 @@
     "require-dev": {
         "dama/doctrine-test-bundle": "^6.0",
         "doctrine/doctrine-fixtures-bundle": "~3.0",
-        "friendsofphp/php-cs-fixer": "~2.13",
+        "friendsofphp/php-cs-fixer": "~3.4",
         "friendsoftwig/twigcs": "^6.0",
         "m6web/redis-mock": "^5.0",
         "php-http/mock-client": "^1.0",