Bump formidable and supertest

Bumps [formidable](https://github.com/node-formidable/formidable) to 3.5.1 and updates ancestor dependency [supertest](https://github.com/ladjs/supertest). These dependencies need to be updated together.


Updates `formidable` from 2.1.2 to 3.5.1
- [Release notes](https://github.com/node-formidable/formidable/releases)
- [Changelog](https://github.com/node-formidable/formidable/blob/master/CHANGELOG.md)
- [Commits](https://github.com/node-formidable/formidable/commits/v3.5.1)

Updates `supertest` from 6.3.3 to 7.0.0
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](ladjs/supertest@v6.3.3...v7.0.0)

---
updated-dependencies:
- dependency-name: formidable
  dependency-type: indirect
- dependency-name: supertest
  dependency-type: direct:development
...

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

package.json

@@ -37,7 +37,7 @@
     "nyc": "^15.1.0",
     "proxyquire": "^2.1.3",
     "sinon": "^17.0.1",
-    "supertest": "^6.3.3",
+    "supertest": "^7.0.0",
     "supertest-as-promised": "^4.0.2"
   },
   "dependencies": {