Add baggage propagation in instana#370

brettmc merged 16 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-php-contrib:mainfrom

HeenaBansal20:feature/add-baggage-propagation-in-instanaHeenaBansal20/opentelemetry-php-contrib:feature/add-baggage-propagation-in-instanaCopy head branch name to clipboard