chore(deps): update opentelemetry to 0.32 and bump labkit-rs

GitLab Dependency Botrequested to merge
gitlab-renovate-forks/knowledge-graph:renovate/opentelemetry-0.x into main

This MR contains the following updates:

Package Type Update Change
opentelemetry (source) workspace.dependencies minor 0.31 -> 0.32

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

Release Notes

open-telemetry/opentelemetry-rust (opentelemetry)

v0.32.0

Compare Source

Released 2026-May-08

  • Added BoundCounter<T> and BoundHistogram<T> types that cache resolved aggregator references for a fixed attribute set. Created via Counter::bind() and Histogram::bind(), bound instruments bypass per-call attribute lookup, providing significant performance improvements for hot paths where the same attributes are used repeatedly. Both types implement Clone so a single bound state can be shared across threads or modules without re-binding. Also adds the SyncInstrument::bind() trait method and BoundSyncInstrument<T> trait for SDK implementors; the trait method has a no-op default so custom SyncInstrument impls degrade gracefully without panicking. Gated behind the experimental_metrics_bound_instruments feature flag.
  • Add reserve method to opentelemetry::propagation::Injector to hint at the number of elements that will be added to avoid multiple resize operations of the underlying data structure. Has an empty default implementation.
  • Breaking Removed the following public fields and methods from the SpanBuilder #​3227:
    • trace_id, span_id, end_time, status, sampling_result
    • with_trace_id, with_span_id, with_end_time, with_status, with_sampling_result
  • Added #[must_use] attribute to opentelemetry::metrics::AsyncInstrumentBuilder to add compile time warning when .build() is not called on observable instrument builders, preventing silent failures where callbacks are never registered and metrics are never reported.
  • Breaking Moved the following SDK sampling types from opentelemetry::trace to opentelemetry_sdk::trace #​3277:
    • SamplingDecision, SamplingResult
    • These types are SDK implementation details and should be imported from opentelemetry_sdk::trace instead.
  • "spec_unstable_logs_enabled" feature flag is removed. The capability (and the backing specification) is now stable and is enabled by default. 3278
  • Remove the empty "message" field from tracing events emitted via the internal-logs feature
  • Fix panic when calling Context::current() from Drop implementations triggered by ContextGuard cleanup (#​3262).

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