Bump bref/bref from 1.2.7 to 1.2.13 in /playground-runner
Bump bref/bref from 1.2.7 to 1.2.13 in /playground-runner

Bumps [bref/bref](https://github.com/brefphp/bref) from 1.2.7 to 1.2.13.
- [Release notes](https://github.com/brefphp/bref/releases)
- [Changelog](https://github.com/brefphp/bref/blob/master/docs/newsletters.md)
- [Commits](https://github.com/brefphp/bref/compare/1.2.7...1.2.13)

---
updated-dependencies:
- dependency-name: bref/bref
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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