Bump supertest from 7.1.3 to 7.1.4 in /src (#61)

Bumps [supertest](https://github.com/ladjs/supertest) from 7.1.3 to 7.1.4.
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](forwardemail/supertest@v7.1.3...v7.1.4)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/package-lock.json

@@ -19,7 +19,7 @@
   "devDependencies": {
     "@jest/transform": "^30.0.5",
     "jest": "30.0.4",
-    "supertest": "7.1.3"
+    "supertest": "7.1.4"
   },
   "jest": {
     "testEnvironment": "node",