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

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.3 to 6.0.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@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>

Author: dependabot[bot]

app/gui/package.json

@@ -39,7 +39,7 @@
     "prettier": "^3.4.2",
     "prettier-plugin-tailwindcss": "^0.6.11",
     "tailwindcss": "^4.0.15",
-    "typescript": "^5.7.2",
+    "typescript": "^6.0.2",
     "vite": "7"
   },
   "author": "greensoap"