[Dependabot]: Bump supertest from 6.3.4 to 7.1.4

Bumps [supertest](https://github.com/ladjs/supertest) from 6.3.4 to 7.1.4.
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](forwardemail/supertest@v6.3.4...v7.1.4)

---
updated-dependencies:
- dependency-name: supertest
  dependency-version: 7.1.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]