feat(traces): migrate trace propagation to dd-trace-rs#1089

duncanista wants to merge 7 commits intomainDataDog/datadog-lambda-extension:mainfrom

jordan.gonzalez/propagation/migrate-to-dd-trace-rsDataDog/datadog-lambda-extension:jordan.gonzalez/propagation/migrate-to-dd-trace-rsCopy head branch name to clipboard