chore(deps): bump workerpool from 9.1.0 to 9.1.1 (#1073)

Bumps [workerpool](https://github.com/josdejong/workerpool) from 9.1.0 to 9.1.1.
- [Changelog](https://github.com/josdejong/workerpool/blob/master/HISTORY.md)
- [Commits](https://github.com/josdejong/workerpool/compare/v9.1.0...v9.1.1)

---
updated-dependencies:
- dependency-name: workerpool
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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