[🍒 7388] Add _dd.tracer_host to local root spans#7426

amarziali merged 2 commits intorelease/v1.38.xDataDog/dd-trace-java:release/v1.38.xfrom

andrea.marziali/backport-dd-hostnameDataDog/dd-trace-java:andrea.marziali/backport-dd-hostnameCopy head branch name to clipboard