fix: Declare merged_git_metadata_settings before usage#10

AbhiPrasad merged 1 commit intomainbraintrustdata/braintrust-sdk-python:mainfrom

abhi-unbound-local-error-git-metadatabraintrustdata/braintrust-sdk-python:abhi-unbound-local-error-git-metadataCopy head branch name to clipboard