build(deps-dev): bump typescript from 5.9.3 to 6.0.3 in /frontend (#56)

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v5.9.3...v6.0.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.3
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

frontend/package-lock.json

@@ -38,7 +38,7 @@
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.2.0",
     "jsdom": "^29.1.1",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.3",
     "vite": "^8.0.16",
     "vitest": "^4.1.7"
   }