* Remove `WithRecord()` option from SpanConfig options
This brings the trace API into conformance with the specification.
* Add entry to CHANGELOG
Fixes#192
* Updated CHANGELOG with PR#
* Cleaned up CHANGELOG notes
* fixup! Merge remote-tracking branch 'upstream/main' into remove-with-record
* Use new spanContext API to set traceflags, tracestate
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>