chore(deps-dev): bump pkg from 5.5.2 to 5.8.1 in /examples/bundle (#429)

Bumps [pkg](https://github.com/vercel/pkg) from 5.5.2 to 5.8.1.
- [Release notes](https://github.com/vercel/pkg/releases)
- [Commits](vercel/pkg@5.5.2...5.8.1)

---
updated-dependencies:
- dependency-name: pkg
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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