sandbox-npm(deps-dev): bump @ungap/structured-clone in /sandbox

Bumps [@ungap/structured-clone](https://github.com/ungap/structured-clone) from 1.2.1 to 1.3.0.
- [Commits](ungap/structured-clone@v1.2.1...v1.3.0)

---
updated-dependencies:
- dependency-name: "@ungap/structured-clone"
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]