Bump airbrake from 6.2.1 to 6.3.0
Bump airbrake from 6.2.1 to 6.3.0

Bumps [airbrake](https://github.com/airbrake/airbrake) from 6.2.1 to 6.3.0.
- [Changelog](https://github.com/airbrake/airbrake/blob/master/CHANGELOG.md)
- [Commits](https://github.com/airbrake/airbrake/compare/v6.2.1...v6.3.0)
theodi/csvlint,theodi/csvlint,theodi/csvlint