Bump degenerator and pm2

Bumps [degenerator](https://github.com/TooTallNate/node-degenerator) to 3.0.2 and updates ancestor dependency [pm2](https://github.com/Unitech/pm2). These dependencies need to be updated together.


Updates `degenerator` from 1.0.4 to 3.0.2
- [Release notes](https://github.com/TooTallNate/node-degenerator/releases)
- [Commits](TooTallNate/node-degenerator@1.0.4...3.0.2)

Updates `pm2` from 3.5.2 to 5.2.0
- [Release notes](https://github.com/Unitech/pm2/releases)
- [Changelog](https://github.com/Unitech/pm2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Unitech/pm2/commits/5.2.0)

---
updated-dependencies:
- dependency-name: degenerator
  dependency-type: indirect
- dependency-name: pm2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]