Update version to 1.39.0.dev/0.60b0.dev#3863

xrmx merged 1 commit intomainopen-telemetry/opentelemetry-python-contrib:mainfrom

otelbot/update-version-to-1.39.0.dev-0.60b0.devopen-telemetry/opentelemetry-python-contrib:otelbot/update-version-to-1.39.0.dev-0.60b0.devCopy head branch name to clipboard