chore(deps-dev): bump @sumup/foundry from 6.2.1 to 7.1.1

Bumps [@sumup/foundry](https://github.com/sumup-oss/foundry) from 6.2.1 to 7.1.1.
- [Release notes](https://github.com/sumup-oss/foundry/releases)
- [Changelog](https://github.com/sumup-oss/foundry/blob/main/CHANGELOG.md)
- [Commits](sumup-oss/foundry@v6.2.1...v7.1.1)

---
updated-dependencies:
- dependency-name: "@sumup/foundry"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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