Update opentelemetry-rust monorepo to 0.31.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
opentelemetry (source)	dependencies	minor	0.30.0 → 0.31.0
opentelemetry-otlp (source)	dependencies	minor	0.30.0 → 0.31.0
opentelemetry_sdk (source)	dependencies	minor	0.30.0 → 0.31.0

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Release Notes

open-telemetry/opentelemetry-rust (opentelemetry)

v0.31.0

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Released 2025-Sep-25

• Breaking Change return type of opentelemetry::global::set_tracer_provider to Unit to align with metrics counterpart
• Add get_all method to opentelemetry::propagation::Extractor to return all values of the given propagation key and provide a default implementation.
• Add an IntoIterator implementation for opentelemetry::trace::TraceState to allow iterating through its key-value pair collection.

open-telemetry/opentelemetry-rust (opentelemetry-otlp)

v0.31.1: opentelemetry-otlp 0.31.1

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What's Changed

• feat(OTLP): add tls-ring, tls-aws-lc, and tls-provider-agnostic feature flags [patch release v0.31.1] by @​lalitb in #​3426

Full Changelog: open-telemetry/opentelemetry-rust@v0.31.0...opentelemetry-otlp-0.31.1

v0.31.0

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Released 2025-Sep-25

• Update opentelemetry-proto and opentelemetry-http dependency version to 0.31.0
• Add HTTP compression support with gzip-http and zstd-http feature flags
• Add retry with exponential backoff and throttling support for HTTP and gRPC exporters
  This behaviour is opt in via the experimental-grpc-retry and experimental-http-retry flags on this crate. You can customize the retry policy using the with_retry_policy on the exporter builders.

open-telemetry/opentelemetry-rust (opentelemetry_sdk)

v0.31.0

Compare Source

Released 2025-Sep-25

• Updated opentelemetry and opentelemetry-http dependencies to version 0.31.0.

• Feature: Add span flags support for isRemote property in OTLP exporter (#​3153)

• Updated span and link transformations to properly set flags field (0x100 for local, 0x300 for remote)

• TODO: Placeholder for Span processor related things

  • Fix SpanProcessor::on_start is no longer called on non recording spans

• Fix: Restore true parallel exports in the async-native BatchSpanProcessor by honoring OTEL_BSP_MAX_CONCURRENT_EXPORTS (#​2959). A regression in #​2685 inadvertently awaited the export() future directly in opentelemetry-sdk/src/trace/span_processor_with_async_runtime.rs instead of spawning it on the runtime, forcing all exports to run sequentially.

• Feature: Added Clone implementation to SdkLogger for API consistency with SdkTracer (#​3058).

• Fix: batch size accounting in BatchSpanProcessor when queue is full (#​3089).

• Fix: Resolved dependency issue where the "logs" feature incorrectly
  required the "trace" feature flag
  (#​3096).
  The logs functionality now operates independently, while automatic correlation
  between logs and traces continues to work when the "trace" feature is
  explicitly enabled.

• Fix: Fix shutdown of SimpleLogProcessor and async BatchLogProcessor.

• Default implementation of LogProcessor::shutdown_with_timeout() will now warn to encourage users to implement proper shutdown.

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