Monitor third-party service statuses from Statuspage

The Datadog Terraform provider v4.0.0 introduces significant improvements including enhanced resource stability, streamlined API interactions, and support for new Datadog features like Serverless Functions and Real User Monitoring (RUM). This release focuses on addressing long-standing issues and improving the overall user experience for managing Datadog infrastructure as code. Users are encouraged to review the migration guide due to breaking changes, but the upgrade promises a more reliable and feature-rich Terraform integration with Datadog.