fix(deps): update rust crate opentelemetry-zipkin to 0.21.0 - autoclosed

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
opentelemetry-zipkin (source)	dependencies	minor	0.12.0 -> 0.21.0

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Release Notes

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

v0.21.0

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Changed

• Update opentelemetry dependency version to 0.23
• Update opentelemetry_sdk dependency version to 0.23
• Update opentelemetry-http dependency version to 0.12
• Update opentelemetry-semantic-conventions dependency version to 0.15

v0.20.0

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Changed

• Breaking Remove support for surf HTTP client #​1537

v0.19.0

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Changed

• Bump MSRV to 1.65 #​1318
• Bump MSRV to 1.64 #​1203

v0.18.0

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Added

• Pull sampling probability from OTEL_TRACES_SAMPLER_ARG in default sdk config #​737
• Add schema_url to Tracer #​743
• Add schema_url to Resource #​775
• Add Span::set_attributes #​638
• Support concurrent exports #​781
• Add jaeger remote sampler #​797
• Allow Custom Samplers #​833
• Add SpanExporter::force_flush and default implementation #​845

Changed

• Deprecate metrics ValueRecorder in favor of Histogram #​728
• Move IdGenerator to SDK, rename to RandomIdGenerator #​742
• meter_with_version accepts optional parameter for version and schema_url #​752
• Unify Event and Link access patterns #​757
• move SpanKind display format impl to jaeger crate #​758
• make TraceStateError private #​755
• rename Span::record_exception to Span::record_error #​756
• Replace StatusCode and message with Status #​760
• Move TracerProvider::force_flush to SDK #​658
• Switch to static resource references #​790
• Allow O(1) get operations for SpanBuilder::attributes [breaking] #​799
• Allow ref counted keys and values #​821
• Bump MSRV from 1.49 to 1.55 #​811
• bump MSRV to 1.56 #​866
• Update metrics API and SDK for latest spec #​819
• Switch to pin-project-lite #​830

Fixed

• Update dashmap to avoid soundness hole #​818
• Perform sampling as explained in the specification #​839
• Remove internal message queue between exporter and exporting tasks #​848
• Fix span processor exporting unsampled spans #​871

Removed

• Remove serialize feature #​738
• Remove StatusCode::as_str #​741
• Remove Tracer::with_span #​746

v0.17.0

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Changed

• Update to opentelemetry v0.20.0

v0.16.0

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v0.15.0

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Changed

• Update to opentelemetry v0.17.0
• Update to opentelemetry-http v0.6.0
• Update to opentelemetry-semantic-conventions v0.9.0

v0.14.0

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Changed

• Update to opentelemetry v0.16.0

v0.13.0

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Changed

• Update to opentelemetry v0.15.0

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