chore(deps): update opentelemetry-dotnet monorepo to 1.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
OpenTelemetry (source)	1.4.0 -> 1.9.0
OpenTelemetry.Exporter.InMemory (source)	1.4.0 -> 1.9.0

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Release Notes

open-telemetry/opentelemetry-dotnet (OpenTelemetry)

v1.9.0

• Exemplars are now part of the stable API! For details see: customizing
  exemplars
  collection.

• WithLogging is now part of the stable API! Logging, Metrics, and Tracing can
  now all be configured using the With style and the builders finally have
  parity in their APIs.

v1.8.0

• TracerProvider sampler can now be configured via the OTEL_TRACES_SAMPLER &
  OTEL_TRACES_SAMPLER_ARG envvars.

• A new UseOtlpExporter cross-cutting extension has been added to register the
  OtlpExporter and enable all signals in a single call.

• exception.type, exception.message, exception.stacktrace will now
  automatically be included by the OtlpLogExporter when logging exceptions.
  Previously an experimental environment variable had to be set.

v1.7.0

• Bumped the package versions of System.Diagnostic.DiagnosticSource and other
  Microsoft.Extensions.* packages to 8.0.0.

• Added net8.0 targets to all the components.

• OTLP Exporter

  • Updated to use ILogger CategoryName as the instrumentation scope for
    logs.
  • Added named options support for OTLP Log Exporter.
  • Added support for instrumentation scope attributes in metrics.
  • Added support under an experimental flag to emit log exception attributes.
  • Added support under an experimental flag to emit log eventId and eventName.
    attributes.

• Added support for the
  IMetricsBuilder
  API.

• Added an experimental opt-in metrics feature to reclaim unused MetricPoints
  which enables a higher number of unique dimension combinations to be emitted.
  See reclaim unused metric
  points
  for more details.

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