refactor: updated dependency commander

[mfranzke]

Summary of changes:

We're updating the dependency commander with this pull request.

Analysis for necessary changes is ongoing.

Changes to the package

List of all breaking changes according to the commanderpackage changelog:

8.0.0 (2021-06-25)

Changed

• Breaking: Help method .visibleArguments() returns array of Argument (#1490)
• Breaking: Commander 8 requires Node.js 12 or higher (#1500)
• Breaking: CommanderError code commander.invalidOptionArgument renamed commander.invalidArgument (#1508)
• Breaking: TypeScript declaration for .addTextHelp() callback no longer allows result of undefined, now just string (#1516)

Removed

• Breaking: TypeScript declaration for default export of global Command object (#1520)
  • (still available as named program export)

7.0.0 (2021-01-15)

Migration Tips

Changed

• Breaking: options are stored safely by default, not as properties on the command (#1409)
  • this especially affects accessing options on program, use program.opts()
  • revert behaviour with .storeOptionsAsProperties()
• Breaking: action handlers are passed options and command separately (#1409)
• Breaking: errors now displayed using process.stderr.write() instead of console.error()

Deleted

• Breaking: .passCommandToAction() (#1409)
  • no longer needed as action handler is passed options and command
• Breaking: "extra arguments" parameter to action handler (#1409)
  • if being used to detect excess arguments, there is now an error available by setting .allowExcessArguments(false)