Update phpstan/phpstan-doctrine requirement from 0.12.39 to 0.12.40
Update phpstan/phpstan-doctrine requirement from 0.12.39 to 0.12.40

Updates the requirements on [phpstan/phpstan-doctrine](https://github.com/phpstan/phpstan-doctrine) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan-doctrine/releases)
- [Commits](https://github.com/phpstan/phpstan-doctrine/compare/0.12.39...0.12.40)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Sylius/Sylius-Standard,Sylius/Sylius-Standard,Sylius/Sylius-Standard