Bump symfony/http-foundation in /testapps/laravel/example-app

Bumps [symfony/http-foundation](https://github.com/symfony/http-foundation) from 5.4.42 to 5.4.46.
- [Release notes](https://github.com/symfony/http-foundation/releases)
- [Changelog](https://github.com/symfony/http-foundation/blob/7.1/CHANGELOG.md)
- [Commits](symfony/http-foundation@v5.4.42...v5.4.46)

---
updated-dependencies:
- dependency-name: symfony/http-foundation
  dependency-type: indirect
...

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

Author: dependabot[bot]