Bump phpstan/phpstan from 0.12.48 to 0.12.49
Bump phpstan/phpstan from 0.12.48 to 0.12.49

Bumps [phpstan/phpstan](https://github.com/phpstan/phpstan) from 0.12.48 to 0.12.49.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](https://github.com/phpstan/phpstan/compare/0.12.48...0.12.49)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
sonata-project/sandbox,sonata-project/sandbox,sonata-project/sandbox