Bump typescript from 5.2.2 to 5.9.3 in /app/frontend

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.2.2 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Changelog](https://github.com/microsoft/TypeScript/blob/main/azure-pipelines.release-publish.yml)
- [Commits](microsoft/TypeScript@v5.2.2...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

app/frontend/package-lock.json

@@ -25,7 +25,7 @@
     "@types/react-dom": "^18.2.14",
     "@vitejs/plugin-react": "^4.3.4",
     "prettier": "^3.0.3",
-    "typescript": "^5.2.2",
+    "typescript": "^5.9.3",
     "vite": "^6.4.1"
   }
 }