Bump go.opentelemetry.io/otel/exporters/otlp from 0.16.0 to 0.18.0 in /examples/demo/app

[dependabot]

Bumps go.opentelemetry.io/otel/exporters/otlp from 0.16.0 to 0.18.0.

Release notes

Sourced from go.opentelemetry.io/otel/exporters/otlp's releases.

Release v0.18.0

Added

• Added resource.Default() for use with meter and tracer providers. (#1507)
• AttributePerEventCountLimit and AttributePerLinkCountLimit for SpanLimits. (#1535)
• Added Keys() method to propagation.TextMapCarrier and propagation.HeaderCarrier to adapt http.Header to this interface. (#1544)
• Added code attributes to go.opentelemetry.io/otel/semconv package. (#1558)
• Compatibility testing suite in the CI system for the following systems. (#1567)

  OS	Go Version	Architecture
  Ubuntu	1.15	amd64
  Ubuntu	1.14	amd64
  Ubuntu	1.15	386
  Ubuntu	1.14	386
  MacOS	1.15	amd64
  MacOS	1.14	amd64
  Windows	1.15	amd64
  Windows	1.14	amd64
  Windows	1.15	386
  Windows	1.14	386

Changed

• Replaced interface oteltest.SpanRecorder with its existing implementation StandardSpanRecorder (#1542).
• Default span limit values to 128. (#1535)
• Rename MaxEventsPerSpan, MaxAttributesPerSpan and MaxLinksPerSpan to EventCountLimit, AttributeCountLimit and LinkCountLimit, and move these fields into SpanLimits. (#1535)
• Renamed the otel/label package to otel/attribute. (#1541)
• Vendor the Jaeger exporter's dependency on Apache Thrift. (#1551)
• Parallelize the CI linting and testing. (#1567)
• Stagger timestamps in exact aggregator tests. (#1569)
• Changed all examples to use WithBatchTimeout(5 * time.Second) rather than WithBatchTimeout(5). (#1621)
• Prevent end-users from implementing some interfaces (#1575)

      "otel/exporters/otlp/otlphttp".Option
      "otel/exporters/stdout".Option
      "otel/oteltest".Option
      "otel/trace".TracerOption
      "otel/trace".SpanOption
      "otel/trace".EventOption
      "otel/trace".LifeCycleOption
      "otel/trace".InstrumentationOption
      "otel/sdk/resource".Option
      "otel/sdk/trace".ParentBasedSamplerOption
      "otel/sdk/trace".ReadOnlySpan
      "otel/sdk/trace".ReadWriteSpan

Removed

... (truncated)

Changelog

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

[0.18.0] - 2020-03-03

Added

• Added resource.Default() for use with meter and tracer providers. (#1507)
• AttributePerEventCountLimit and AttributePerLinkCountLimit for SpanLimits. (#1535)
• Added Keys() method to propagation.TextMapCarrier and propagation.HeaderCarrier to adapt http.Header to this interface. (#1544)
• Added code attributes to go.opentelemetry.io/otel/semconv package. (#1558)
• Compatibility testing suite in the CI system for the following systems. (#1567)

  OS	Go Version	Architecture
  Ubuntu	1.15	amd64
  Ubuntu	1.14	amd64
  Ubuntu	1.15	386
  Ubuntu	1.14	386
  MacOS	1.15	amd64
  MacOS	1.14	amd64
  Windows	1.15	amd64
  Windows	1.14	amd64
  Windows	1.15	386
  Windows	1.14	386

Changed

• Replaced interface oteltest.SpanRecorder with its existing implementation StandardSpanRecorder. (#1542)
• Default span limit values to 128. (#1535)
• Rename MaxEventsPerSpan, MaxAttributesPerSpan and MaxLinksPerSpan to EventCountLimit, AttributeCountLimit and LinkCountLimit, and move these fields into SpanLimits. (#1535)
• Renamed the otel/label package to otel/attribute. (#1541)
• Vendor the Jaeger exporter's dependency on Apache Thrift. (#1551)
• Parallelize the CI linting and testing. (#1567)
• Stagger timestamps in exact aggregator tests. (#1569)
• Changed all examples to use WithBatchTimeout(5 * time.Second) rather than WithBatchTimeout(5). (#1621)
• Prevent end-users from implementing some interfaces (#1575)

      "otel/exporters/otlp/otlphttp".Option
      "otel/exporters/stdout".Option
      "otel/oteltest".Option
      "otel/trace".TracerOption
      "otel/trace".SpanOption
      "otel/trace".EventOption
      "otel/trace".LifeCycleOption
      "otel/trace".InstrumentationOption
      "otel/sdk/resource".Option
      "otel/sdk/trace".ParentBasedSamplerOption
      "otel/sdk/trace".ReadOnlySpan
      "otel/sdk/trace".ReadWriteSpan

Removed

... (truncated)

Commits

• bb4c297 Pre release v0.18.0 (#1635)
• 712c3dc Fix makefile ci target and coverage test packages (#1634)
• 841d2a5 Rename local var new to not collide with builtin (#1610)
• 13938ab Update SpanProcessor docs (#1611)
• e25503a Add compatibility tests to CI (#1567)
• 1519d95 Use reasonable interval in sdktrace.WithBatchTimeout (#1621)
• 7d4496e Pass metric labels when transforming to gaugeArray (#1570)
• 6d4a5e0 Bump google.golang.org/grpc from 1.35.0 to 1.36.0 in /exporters/otlp (#1619)
• a93393a Bump google.golang.org/grpc in /example/prom-collector (#1620)
• e499ca8 Fix validation for tracestate with vendor and add tests (#1581)
• Additional commits viewable in compare view

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