- Added Rubocop gems missing from original commit
- Add lower bounds to all gems
- Remove `puppet-lint` as it is brought in by `voxpupuli-puppet-lint-plugins`
- Remove `specinfra` as it is brought in by `serverspec`
- Move `serverspec` to system_tests
- Remove `ed25519` and `bcrypt_pbkf` as they are brought in by `net-ssh`
- Remove `rspec-puppet` as it is brought in by `puppetlabs_spec_helper`
- Pin `facterdb` to 1.18 and up as this is the version which adds Ub22.04
- Remove code previously used to retrieve ruby version