v1.166.0

Add `datadog-synthetics` component Andriy Knysh (@aknysh) (#619)

what

• Add datadog-synthetics component

why

• This component is responsible for provisioning Datadog synthetic tests

• Supports Datadog synthetics private locations

  • https://docs.datadoghq.com/getting_started/synthetics/private_location
  • https://docs.datadoghq.com/synthetics/private_locations

• Synthetic tests allow you to observe how your systems and applications are performing using simulated requests and actions from the AWS managed locations around the globe and to monitor internal endpoints from private locations