chore(deps): bump typescript from 5.9.3 to 6.0.2 in /frontend

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/compare/v5.9.3...v6.0.2)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 6.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

frontend/package.json

@@ -33,6 +33,6 @@
     "jest": "^30.3.0",
     "jest-environment-jsdom": "^30.3.0",
     "tailwindcss": "^4",
-    "typescript": "^5"
+    "typescript": "^6"
   }
 }