Bump go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc from 1.17.0 to 1.21.0 in /examples/demo/server

[dependabot]

Bumps go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc from 1.17.0 to 1.21.0.

Changelog

Sourced from go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc's changelog.

[1.21.0/0.44.0] 2023-11-16

Removed

• Remove the deprecated go.opentelemetry.io/otel/bridge/opencensus.NewTracer. (#4706)
• Remove the deprecated go.opentelemetry.io/otel/exporters/otlp/otlpmetric module. (#4707)
• Remove the deprecated go.opentelemetry.io/otel/example/view module. (#4708)
• Remove the deprecated go.opentelemetry.io/otel/example/fib module. (#4723)

Fixed

• Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#4719)
• Do not parse non-protobuf responses in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#4719)
• Fix a bug where using multiple readers resulted in incorrect asynchronous counter values in go.opentelemetry.io/otel/sdk/metric. (#4742)

[1.20.0/0.43.0] 2023-11-10

This release brings a breaking change for custom trace API implementations. Some interfaces (TracerProvider, Tracer, Span) now embed the go.opentelemetry.io/otel/trace/embedded types. Implementors need to update their implementations based on what they want the default behavior to be. See the "API Implementations" section of the [trace API] package documentation for more information about how to accomplish this.

Added

• Add go.opentelemetry.io/otel/bridge/opencensus.InstallTraceBridge, which installs the OpenCensus trace bridge, and replaces opencensus.NewTracer. (#4567)
• Add scope version to trace and metric bridges in go.opentelemetry.io/otel/bridge/opencensus. (#4584)
• Add the go.opentelemetry.io/otel/trace/embedded package to be embedded in the exported trace API interfaces. (#4620)
• Add the go.opentelemetry.io/otel/trace/noop package as a default no-op implementation of the trace API. (#4620)
• Add context propagation in go.opentelemetry.io/otel/example/dice. (#4644)
• Add view configuration to go.opentelemetry.io/otel/example/prometheus. (#4649)
• Add go.opentelemetry.io/otel/metric.WithExplicitBucketBoundaries, which allows defining default explicit bucket boundaries when creating histogram instruments. (#4603)
• Add Version function in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#4660)
• Add Version function in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#4660)
• Add Summary, SummaryDataPoint, and QuantileValue to go.opentelemetry.io/sdk/metric/metricdata. (#4622)
• go.opentelemetry.io/otel/bridge/opencensus.NewMetricProducer now supports exemplars from OpenCensus. (#4585)
• Add support for WithExplicitBucketBoundaries in go.opentelemetry.io/otel/sdk/metric. (#4605)
• Add support for Summary metrics in go.opentelemetry.io/otel/bridge/opencensus. (#4668)

Deprecated

• Deprecate go.opentelemetry.io/otel/bridge/opencensus.NewTracer in favor of opencensus.InstallTraceBridge. (#4567)
• Deprecate go.opentelemetry.io/otel/example/fib package is in favor of go.opentelemetry.io/otel/example/dice. (#4618)
• Deprecate go.opentelemetry.io/otel/trace.NewNoopTracerProvider. Use the added NewTracerProvider function in go.opentelemetry.io/otel/trace/noop instead. (#4620)
• Deprecate go.opentelemetry.io/otel/example/view package in favor of go.opentelemetry.io/otel/example/prometheus. (#4649)
• Deprecate go.opentelemetry.io/otel/exporters/otlp/otlpmetric. (#4693)

Changed

• go.opentelemetry.io/otel/bridge/opencensus.NewMetricProducer returns a *MetricProducer struct instead of the metric.Producer interface. (#4583)
• The TracerProvider in go.opentelemetry.io/otel/trace now embeds the go.opentelemetry.io/otel/trace/embedded.TracerProvider type. This extends the TracerProvider interface and is is a breaking change for any existing implementation. Implementors need to update their implementations based on what they want the default behavior of the interface to be.

... (truncated)

Commits

• 98b32a6 Release 1.21.0/0.44.0 (#4724)
• a27c53b Remove example/fib (#4723)
• 8ceba13 otlpmetrichttp otlptracehttp: Do not parse non-protobuf reponses (#4719)
• d968509 Update dependabot.yml (#4716)
• a2cb604 Remove the deprecated otlpmetric module (#4707)
• c8e60d1 Remove the deprecated view example (#4708)
• 27c5c73 Remove the deprecated NewTracer from OC bridge (#4706)
• 491d65c dependabot updates Mon Nov 13 07:28:44 UTC 2023 (#4712)
• ca2b22b Document PR commits preference in CONTRIBUTING.md (#4704)
• 85e4c46 Release v1.20.0/v0.43.0 (#4705)
• Additional commits viewable in compare view

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