Bump signal-hook-registry from 1.3.0 to 1.4.0 (#1062)
Bump signal-hook-registry from 1.3.0 to 1.4.0 (#1062)

Bumps [signal-hook-registry](https://github.com/vorner/signal-hook) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/vorner/signal-hook/releases)
- [Changelog](https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vorner/signal-hook/compare/registry-v1.3.0...registry-v1.4.0)

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

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
alex/ct-tools,alex/ct-tools