Bump @cucumber/cucumber from 9.6.0 to 10.9.0 in /backend

Bumps [@cucumber/cucumber](https://github.com/cucumber/cucumber-js) from 9.6.0 to 10.9.0.
- [Release notes](https://github.com/cucumber/cucumber-js/releases)
- [Changelog](https://github.com/cucumber/cucumber-js/blob/main/CHANGELOG.md)
- [Commits](cucumber/cucumber-js@v9.6.0...v10.9.0)

---
updated-dependencies:
- dependency-name: "@cucumber/cucumber"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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