Extend/vbase client v2

[vitorflg]

What is the purpose of this pull request?

• Extend the VBase client to have more options to handle conflicts

What problem is this solving?

Slack thread

How should this be manually tested?

• You can test it yarn linking all dependencies(@vtex/api, this module, and the cli-plugin-workspace), and running with the alias:
  vtex-test promote After that, listing to conflicts should return an empty array.

Screenshots or example usage

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Requires change to documentation, which has been updated accordingly.

[filafb]

If I am not wrong, axios throws an error for 4xx responses. If that is the case, I think we are changing the behavior here, since the line 49 will raise the error and will not get to the return statement. Have you checked that? Also, as in the other PR, I would avoid the await / .then combination.