build(deps-dev): bump typescript from 5.5.3 to 5.5.4 in /test/app

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 5.5.3 to 5.5.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release.yml)
- [Commits](microsoft/TypeScript@v5.5.3...v5.5.4)

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

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

Author: dependabot[bot]

test/app/package-lock.json

@@ -28,7 +28,7 @@
     "eslint-config-airbnb-typescript": "^17.1.0",
     "eslint-plugin-import": "^2.29.1",
     "ts-node-dev": "^2.0.0",
-    "typescript": "^5.5.3"
+    "typescript": "^5.5.4"
   },
   "dependencies": {
     "@fastify/formbody": "^7.4.0",