Update phpstan/phpstan requirement from ^0.12.34 to ^0.12.35
Update phpstan/phpstan requirement from ^0.12.34 to ^0.12.35

Updates the requirements on [phpstan/phpstan](https://github.com/phpstan/phpstan) to permit the latest version.
- [Release notes](https://github.com/phpstan/phpstan/releases)
- [Commits](https://github.com/phpstan/phpstan/compare/0.12.34...0.12.35)

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