build(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](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
...

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

Author: dependabot[bot]

ui/package.json

@@ -43,7 +43,7 @@
     "postcss": "^8.5.16",
     "prettier": "^3.9.4",
     "tailwindcss": "^4.3.2",
-    "typescript": "^5.6.0",
+    "typescript": "^6.0.3",
     "typescript-eslint": "^8.62.1",
     "vite": "^6.0.0",
     "vitest": "^2.1.0",