Bump lumberjack from 1.0.12 to 1.0.13
Bump lumberjack from 1.0.12 to 1.0.13

Bumps [lumberjack](https://github.com/bdurand/lumberjack) from 1.0.12 to 1.0.13.
- [Release notes](https://github.com/bdurand/lumberjack/releases)
- [Changelog](https://github.com/bdurand/lumberjack/blob/master/CHANGELOG.md)
- [Commits](https://github.com/bdurand/lumberjack/commits)
kirushik/critical_chain,kirushik/critical_chain,kirushik/critical_chain,kirushik/critical_chain