build(deps-dev): bump supertest from 7.0.0 to 7.1.2

Bumps [supertest](https://github.com/ladjs/supertest) from 7.0.0 to 7.1.2.
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](forwardemail/supertest@v7.0.0...v7.1.2)

---
updated-dependencies:
- dependency-name: supertest
  dependency-version: 7.1.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]