Bump foreman to 0.84.0
Bump foreman to 0.84.0

Bumps [foreman](https://github.com/ddollar/foreman) from 0.78.0 to 0.84.0.
- [Changelog](https://github.com/ddollar/foreman/blob/master/Changelog.md)
- [Commits](https://github.com/ddollar/foreman/compare/v0.78.0...v0.84.0)
theodi/metrics-api,theodi/metrics-api,theodi/bothan,theodi/metrics-api,theodi/bothan,theodi/bothan,theodi/bothan