feat!: split trace/contrib integrations into individual Go modules #49

Abhijeet Prasad (AbhiPrasad) wants to merge 2 commits intomainbraintrustdata/braintrust-sdk-go:mainfrom

abhi-chore-release-scripts-multi-modulebraintrustdata/braintrust-sdk-go:abhi-chore-release-scripts-multi-moduleCopy head branch name to clipboard