chore(deps-dev): bump typescript from 5.9.3 to 6.0.3 in /ui

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/compare/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
...

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

ui/package.json

@@ -58,7 +58,7 @@
     "jsdom": "^27.4.0",
     "prettier": "^3.8.1",
     "prettier-plugin-tailwindcss": "^0.8.0",
-    "typescript": "^5.9.3",
+    "typescript": "^6.0.3",
     "vite": "^7.3.5",
     "vite-plugin-pwa": "^1.3.0",
     "vitest": "^4.1.0",