build(deps-dev): bump supertest from 6.3.3 to 6.3.4 (#63)

Bumps [supertest](https://github.com/ladjs/supertest) from 6.3.3 to 6.3.4.
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](ladjs/supertest@v6.3.3...v6.3.4)

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

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

package.json

@@ -35,7 +35,7 @@
     "benchmark": "^2.1.4",
     "snazzy": "^9.0.0",
     "standard": "^17.0.0",
-    "supertest": "6.3.3",
+    "supertest": "6.3.4",
     "tap": "^16.3.3",
     "tsd": "^0.30.0"
   },