Bump pac-resolver and pm2 in /e2e

Bumps [pac-resolver](https://github.com/TooTallNate/node-pac-resolver) to 5.0.1 and updates ancestor dependency [pm2](https://github.com/Unitech/pm2). These dependencies need to be updated together.


Updates `pac-resolver` from 4.2.0 to 5.0.1
- [Release notes](https://github.com/TooTallNate/node-pac-resolver/releases)
- [Commits](TooTallNate/node-pac-resolver@4.2.0...5.0.1)

Updates `pm2` from 4.5.6 to 5.2.2
- [Release notes](https://github.com/Unitech/pm2/releases)
- [Changelog](https://github.com/Unitech/pm2/blob/master/CHANGELOG.md)
- [Commits](Unitech/pm2@4.5.6...5.2.2)

---
updated-dependencies:
- dependency-name: pac-resolver
  dependency-type: indirect
- dependency-name: pm2
  dependency-type: direct:development
...

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