New output in 0.3.0 breaks VSCode `black`/`isort` about python-doppler-env

[miped]

This is still the case as far as i can tell. Closed it by mistake.

[miped]

@ryan-blunden Will you accept a PR that makes this configurable?

[alex-chalk]

Hey, this is also causing issues for projects that use google cloud sdks, since they may run commands internally that are expecting JSON output; however, the output they get from their internal commands looks something like

[doppler-env]: DOPPLER_ENV environment variable set. Fetching secrets using Doppler CLI
{
  "configuration": {
    "active_configuration": "default",
    ...
  },
  "credential": {
    "access_token": "..."
  }
}

I'd also be very happy to contribute a fix if a maintainer can point me in the right direction! Thank you