feat: Upwards-recursively read .braintrust.json containing BRAINTRUST_API_KEY#166

Luca Forstner (lforst) merged 6 commits into

mainbraintrustdata/braintrust-sdk-ruby:mainfrom

lforst/env-braintrust-api-keybraintrustdata/braintrust-sdk-ruby:lforst/env-braintrust-api-keyCopy head branch name to clipboard