Bump supertest and @types/supertest

Bumps [supertest](https://github.com/ladjs/supertest) and [@types/supertest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/supertest). These dependencies needed to be updated together.

Updates `supertest` from 6.3.2 to 6.3.4
- [Release notes](https://github.com/ladjs/supertest/releases)
- [Commits](ladjs/supertest@v6.3.2...v6.3.4)

Updates `@types/supertest` from 2.0.12 to 6.0.2
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/supertest)

---
updated-dependencies:
- dependency-name: supertest
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: "@types/supertest"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -262,7 +262,7 @@
 		"@types/rimraf": "^3.0.2",
 		"@types/sanitize-html": "^2.6.2",
 		"@types/source-map-support": "^0.5.3",
-		"@types/supertest": "^2.0.12",
+		"@types/supertest": "^6.0.2",
 		"@types/uuid": "^8.3.4",
 		"@typescript-eslint/eslint-plugin": "^5.47.1",
 		"@typescript-eslint/parser": "^5.47.1",
@@ -302,7 +302,7 @@
 		"simple-oauth2": "^4.2.0",
 		"sinon": "^11.1.1",
 		"sinon-chai": "^3.5.0",
-		"supertest": "^6.3.2",
+		"supertest": "^6.3.4",
 		"ts-jest": "^29.0.5",
 		"ts-loader": "^9.4.2",
 		"ts-node": "^10.9.1",