deps: update opentelemetry.version to v1.38.0

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.opentelemetry:opentelemetry-sdk-testing	1.36.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk-trace	1.36.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk-metrics	1.36.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk	1.36.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk-testing	1.37.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk-trace	1.37.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk-metrics	1.37.0 -> 1.38.0
io.opentelemetry:opentelemetry-sdk	1.37.0 -> 1.38.0

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Release Notes

open-telemetry/opentelemetry-java (io.opentelemetry:opentelemetry-sdk-testing)

v1.38.0

Compare Source

API

• Stabilize synchronous gauge
  (#​6419)

Incubator

• Add put(AttributeKey, T) overload to EventBuilder
  (#​6331)

Baggage

• Baggage filters space-only keys
  (#​6431)

SDK

• Add experimental scope config to enable / disable scopes (i.e. meter, logger, tracer)
  (#​6375)

Traces

• Add ReadableSpan#getAttributes
  (#​6382)
• Use standard ArrayList size rather than max number of links for initial span links allocation
  (#​6252)

Metrics

• Use low precision Clock#now when computing timestamp for exemplars
  (#​6417)
• Update invalid instrument name log message now that forward slash / is valid
  (#​6343)

Exporters

• Introduce low allocation OTLP marshalers. If using autoconfigure, opt in
  via OTEL_JAVA_EXPERIMENTAL_EXPORTER_MEMORY_MODE=REUSABLE_DATA.
  • Low allocation OTLP logs marshaler
    (#​6429)
  • Low allocation OTLP metrics marshaler
    (#​6422)
  • Low allocation OTLP trace marshaler
    (#​6410)
  • Add memory mode support to OTLP exporters
    (#​6430)
  • Marshal span status description without allocation
    (#​6423)
  • Add private constructors for stateless marshalers
    (#​6434)
• Mark opentelemetry-exporter-sender-jdk stable
  (#​6357)
• PrometheusHttpServer prevent concurrent reads when reusable memory mode
  (#​6371)
• Ignore TLS components (SSLContext, TrustManager, KeyManager) if plain HTTP protocol is used for
  exporting
  (#​6329)
• Add is_remote_parent span flags to OTLP exported Spans and SpanLinks
  (#​6388)
• Add missing fields to OTLP metric exporters toString()
  (#​6402)

Extensions

• Rename otel.config.file to otel.experimental.config.file for autoconfigure
  (#​6396)

OpenCensus Shim

• Fix opencensus shim spanBuilderWithRemoteParent behavior
  (#​6415)

Tooling

• Add additional API incubator docs
  (#​6356)
• Run build on java 21
  (#​6370)
• Fix running tests with java 8 on macos
  (#​6411)
• Move away from deprecated gradle enterprise APIs
  (#​6363)

v1.37.0

Compare Source

NOTICE: This release contains a significant restructuring of the experimental event API and the API incubator artifact. Please read the notes in the API -> Incubator section carefully.

API

• Promote Span#addLink to stable API
  (#​6317)

Incubator

• BREAKING: Rename opentelemetry-extension-incubator to opentelemetry-api-incubator,
  merge opentelemetry-api-events into opentelemetry-api-incubator.
  (#​6289)
• BREAKING: Remove domain from event api. EventEmitterProvider#setEventDomain has been removed.
  The event.name field should now be namespaced to avoid collisions.
  See Semantic Conventions for Event Attributes
  for more details.
  (#​6253)
• BREAKING: Rename EventEmitter and related classes to EventLogger.
  (#​6316)
• BREAKING: Refactor Event API to reflect spec changes. Restructure API to put fields in
  the AnyValue log record body. Add setters for timestamp, context, and severity. Set default
  severity to INFO=9.
  (#​6318)

SDK

• Add get{Signal}Exporter methods to Simple{Signal}Processor, Batch{Signal}Processor.
  (#​6078)

Metrics

• Use synchronized instead of reentrant lock in explicit bucket histogram
  (#​6309)

Exporters

• Fix typo in OTLP javadoc
  (#​6311)
• Add PrometheusHttpServer#toBuilder()
  (#​6333)
• Bugfix: Use getPrometheusName for Otel2PrometheusConverter map keys to avoid metric name
  conflicts
  (#​6308)

Extensions

• Add Metric exporter REUSABLE_DATA memory mode configuration options, including autoconfigure
  support via env var OTEL_JAVA_EXPERIMENTAL_EXPORTER_MEMORY_MODE=REUSABLE_DATA.
  (#​6304)
• Add autoconfigure console alias for logging exporter
  (#​6027)
• Update jaeger autoconfigure docs to point to OTLP
  (#​6307)
• Add ServiceInstanceIdResourceProvider implementation for generating service.instance.id UUID
  if not already provided by user. Included in opentelemetry-sdk-extension-incubator.
  (#​6226)
• Add GCP resource detector to list of resource providers in autoconfigure docs
  (#​6336)

Tooling

• Check for Java 17 toolchain and fail if not found
  (#​6303)

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