chore(deps): bump workerpool from 8.0.0 to 9.1.0 (#757)

* chore(deps): bump workerpool from 8.0.0 to 9.1.0

Bumps [workerpool](https://github.com/josdejong/workerpool) from 8.0.0 to 9.1.0.
- [Changelog](https://github.com/josdejong/workerpool/blob/master/HISTORY.md)
- [Commits](https://github.com/josdejong/workerpool/compare/v8.0.0...v9.1.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

* remove @types/workerpool

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>