Feature/update dependencies

[shadowspawn]

Pull Request

Update the "easy" dependencies, that don't break the tests.

Some of the eslint related still require eslint@6, and/or have breaking changes, so left these major version upgrades for another day.

$ npm outdated
Package                                 Current  Wanted  Latest  Location
@typescript-eslint/eslint-plugin         2.34.0  2.34.0   3.3.0  commander
eslint                                    6.8.0   6.8.0   7.3.0  commander
eslint-config-standard-with-typescript   16.0.0  16.0.0  18.0.2  commander

[shadowspawn]

The dependencies on eslint@6 come from standard, which has an open issue for the upgrade to eslint@7: standard/standard#1518

[abetomo]

📦