[SLES-2907] chore(deps): bump dd-trace-rs to datadog-opentelemetry-v0.5.0

[litianningdatadog]

Overview

Bumps datadog-opentelemetry (dd-trace-rs) from f51cefc4 (pre-v0.3.0) to
50bfea87 (datadog-opentelemetry-v0.5.0), adding
features = ["_unstable_propagation"] since the propagation module
bottlecap uses is now feature-gated upstream (was unconditionally public at
our old pin).

Also bumps dogstatsd/datadog-fips/datadog-agent-config to the
serverless-components commit that carries the matching dd-trace-rs pin —
DataDog/serverless-components#144,

v0.5.0 adds native B3 (single- and multi-header) trace propagation support,
fixing Failed to parse trace propagation style: Unknown trace propagation style: 'b3multi', ignoring errors reported by a customer — see
SLES-2907.

Code changes required by the bump

• src/config/propagation_wrapper.rs — implements the new required
  PropagationConfig::trace_propagation_behavior_extract method (hardcoded
  to Continue, matching prior implicit behavior; bottlecap doesn't expose
  DD_TRACE_PROPAGATION_BEHAVIOR_EXTRACT).
• src/traces/propagation/mod.rs — DatadogCompositePropagator::extract now
  returns ExtractResult instead of Option<SpanContext>; adapted the
  wrapper to match on it (Continue(ctx) -> Some(ctx), everything else ->
  None, preserving current behavior).
• src/lifecycle/invocation/triggers/step_function_event.rs — the
  datadog_opentelemetry::constants re-export was removed upstream (moved
  to libdd-sampling internally); hardcoded the one test-only usage of
  SAMPLING_DECISION_MAKER_TAG_KEY ("_dd.p.dm") rather than adding a new
  dependency for it.

Testing

• cargo check --all-targets — clean
• cargo clippy --all-targets -- -D warnings — clean
• cargo fmt --all -- --check — clean
• cargo test --lib — 530/530 pass
• dd-rust-license-tool check — passes
• cargo tree --duplicates — no new datadog-opentelemetry/tonic/prost
  duplication; opentelemetry/opentelemetry_sdk/-semantic-conventions
  do pick up a new duplicate version (0.31 direct vs. 0.32 via dd-trace-rs) —
  non-blocking, binary-size-only, bottlecap never shares those types across
  the datadog_opentelemetry boundary
• --features fips hits a pre-existing local-macOS-only dylib loading issue
  in libddwaf-sys, confirmed identical on unmodified main (needs
  Linux/CI, unrelated to this change)

Dependency graph:

[datadog-datadog-us1-prod]

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[Copilot]

Pull request overview

Updates Bottlecap’s tracing propagation stack to a newer datadog-opentelemetry (dd-trace-rs) revision to pick up native B3 (single/multi) propagation support and align related serverless-components dependencies, with small adapter changes to keep Bottlecap behavior consistent with the updated upstream APIs.

Changes:

• Bump datadog-opentelemetry to datadog-opentelemetry-v0.5.0 and enable the upstream feature gate (_unstable_propagation) needed for Bottlecap’s propagation usage.
• Adapt Bottlecap’s propagation wrapper to the new upstream APIs (ExtractResult and the required PropagationConfig::trace_propagation_behavior_extract).
• Remove reliance on an upstream re-exported constant in Step Function trigger tests by hardcoding the stable wire-protocol tag key; update 3rd-party license inventory accordingly.

Reviewed changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
bottlecap/src/traces/propagation/mod.rs	Updates extraction adapter to handle upstream ExtractResult while preserving Bottlecap’s prior Option<SpanContext> behavior and baggage attachment.
bottlecap/src/lifecycle/invocation/triggers/step_function_event.rs	Replaces removed upstream constant re-export with a test-local hardcoded tag key.
bottlecap/src/config/propagation_wrapper.rs	Implements newly required PropagationConfig::trace_propagation_behavior_extract using upstream default behavior.
bottlecap/LICENSE-3rdparty.csv	Adds newly introduced transitive dependencies to the 3rd-party license inventory.
bottlecap/Cargo.toml	Bumps dd-trace-rs pin and aligns serverless-components git revs; enables required feature gate.
bottlecap/Cargo.lock	Locks the updated dependency graph produced by the bumps.

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