feat: support OTel span.addLink, span.addLinks; add similar APIs to the APM agent API #4078
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This also updates a few places for the new otel/api v1.9.0.
Refs: #4071 (the dependabot update doesn't get everything)
Refs: #4070
Refs: #4069
Refs: #4077 (a separate issue for this other new feature in otel/[email protected])
Refs: elastic/apm#870
@opentelemetry/[email protected]
added support forspan.addLink()
andspan.addLinks()
.This updates our OTel bridge tracing support to work with those APIs.
This also adds public
addLink()
andaddLinks()
equivalent methods on our Transaction and Span APIs.Note that the span links support still has limitations: only trace_id and span_id are sent/stored (no span link attributes, no 'tracestate' in the span context).
I created a separate issue for the other feature added to otel/[email protected].