chore(deps-dev): bump typescript in /extensions/react-widget

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>

extensions/react-widget/package.json

@@ -82,7 +82,7 @@
     "prettier": "^3.8.1",
     "process": "^0.11.10",
     "svgo": "^4.0.1",
-    "typescript": "^5.3.3"
+    "typescript": "^6.0.3"
   },
   "publishConfig": {
     "access": "public"