Bump phpstan/phpstan-symfony from 0.12.6 to 0.12.7
Bump phpstan/phpstan-symfony from 0.12.6 to 0.12.7

Bumps [phpstan/phpstan-symfony](https://github.com/phpstan/phpstan-symfony) from 0.12.6 to 0.12.7.
- [Release notes](https://github.com/phpstan/phpstan-symfony/releases)
- [Commits](https://github.com/phpstan/phpstan-symfony/compare/0.12.6...0.12.7)

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