build(deps): Bump axios and pm2 (#11)

Removes [axios](https://github.com/axios/axios). It's no longer used after updating ancestor dependency [pm2](https://github.com/Unitech/pm2). These dependencies need to be updated together.


Removes `axios`

Updates `pm2` from 5.2.0 to 5.4.3
- [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)

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

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