[PHP]: Update symfony/phpunit-bridge requirement in /vendor-bin/phpunit
[PHP]: Update symfony/phpunit-bridge requirement in /vendor-bin/phpunit

Updates the requirements on [symfony/phpunit-bridge](https://github.com/symfony/phpunit-bridge) to permit the latest version.
- [Release notes](https://github.com/symfony/phpunit-bridge/releases)
- [Changelog](https://github.com/symfony/phpunit-bridge/blob/5.x/CHANGELOG.md)
- [Commits](https://github.com/symfony/phpunit-bridge/compare/v5.2.0...v5.2.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Aerendir/bundle-commands-queues,Aerendir/bundle-commands-queues