fix(google_genai): include thinking tokens in completion usage#619

ekeith (evanmkeith) wants to merge 2 commits into

mainbraintrustdata/braintrust-sdk-python:mainfrom

07-27-fix-gemini-thinking-tokens-completion-tokensbraintrustdata/braintrust-sdk-python:07-27-fix-gemini-thinking-tokens-completion-tokensCopy head branch name to clipboard