2.21.0-beta2 (2.21.0.00365)

• LOGGING: Make TelemetryConfiguration configurable in ApplicationInsightsLoggingBuilderExtensions
• Added support for distributed tracing with Azure.Messaging.ServiceBus
• Move internal type from Shared to Microsoft namespace
• Extension methods to retrive specific operation details.
• Mark Instrumentation Key based APIs as Obsolete.
  • See also: https://docs.microsoft.com/azure/azure-monitor/app/migrate-from-instrumentation-keys-to-connection-strings
• Fix: Livelock in MetricValuesBuffer.
  Mitigation for TelemetryClient.Flush deadlocks (#1186)