chore(deps-dev): bump typescript from 5.9.2 to 5.9.3 in /demo

Bumps [typescript](https://github.com/microsoft/TypeScript) from 5.9.2 to 5.9.3.
- [Release notes](https://github.com/microsoft/TypeScript/releases)
- [Commits](microsoft/TypeScript@v5.9.2...v5.9.3)

---
updated-dependencies:
- dependency-name: typescript
  dependency-version: 5.9.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

demo/package-lock.json

@@ -33,7 +33,7 @@
     "@types/react": "^19.2.10",
     "eslint": "^9.39.2",
     "prettier": "3.8.1",
-    "typescript": "5.9.2"
+    "typescript": "5.9.3"
   },
   "engines": {
     "node": ">=18"