Bump symfony/twig-bridge from 6.3.0 to 6.3.8 in /lib/php/admin-bundle

Bumps [symfony/twig-bridge](https://github.com/symfony/twig-bridge) from 6.3.0 to 6.3.8.
- [Release notes](https://github.com/symfony/twig-bridge/releases)
- [Changelog](https://github.com/symfony/twig-bridge/blob/6.3/CHANGELOG.md)
- [Commits](symfony/twig-bridge@v6.3.0...v6.3.8)

---
updated-dependencies:
- dependency-name: symfony/twig-bridge
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>