Bump signal-hook-registry from 1.4.1 to 1.4.2 (#925)

Bumps [signal-hook-registry](https://github.com/vorner/signal-hook) from 1.4.1 to 1.4.2.
- [Changelog](https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md)
- [Commits](vorner/signal-hook@registry-v1.4.1...registry-v1.4.2)

---
updated-dependencies:
- dependency-name: signal-hook-registry
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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