Bump bugsnag from 6.6.3 to 6.6.4 (#540)
Bump bugsnag from 6.6.3 to 6.6.4 (#540)

Bumps [bugsnag](https://github.com/bugsnag/bugsnag-ruby) from 6.6.3 to 6.6.4.
- [Release notes](https://github.com/bugsnag/bugsnag-ruby/releases/tag/v6.6.4)
- [Changelog](https://github.com/bugsnag/bugsnag-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bugsnag/bugsnag-ruby/compare/v6.6.3...v6.6.4)
octobox/octobox,octobox/octobox,octobox/octobox,octobox/octobox