build(deps-dev): Bump typescript from 6.0.3 to 7.0.2 in /demo

Bumps [typescript](https://github.com/microsoft/TypeScript) from 6.0.3 to 7.0.2.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](https://github.com/microsoft/TypeScript/commits)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 7.0.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

demo/package.json

@@ -19,7 +19,7 @@
     "@types/react-dom": "^19.1.0",
     "@vitejs/plugin-react": "^6.0.3",
     "tailwindcss": "^4.3.3",
-    "typescript": "^6.0.3",
+    "typescript": "^7.0.2",
     "vite": "^8.1.5"
   },
   "pnpm": {