Bump jsprim from 1.4.1 to 1.4.2

Bumps [jsprim](https://github.com/joyent/node-jsprim) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/joyent/node-jsprim/releases)
- [Changelog](https://github.com/TritonDataCenter/node-jsprim/blob/v1.4.2/CHANGES.md)
- [Commits](TritonDataCenter/node-jsprim@v1.4.1...v1.4.2)

---
updated-dependencies:
- dependency-name: jsprim
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>