[Security] Bump tar from 4.4.1 to 4.4.9 (#77)
[Security] Bump tar from 4.4.1 to 4.4.9 (#77)

Bumps [tar](https://github.com/npm/node-tar) from 4.4.1 to 4.4.9. **This update includes security fixes.**
- [Release notes](https://github.com/npm/node-tar/releases)
- [Commits](https://github.com/npm/node-tar/compare/v4.4.1...v4.4.9)
zooniverse-ui/markdownz