The CloudWatch MonitoringService doesn't implement the MonitoringService interface

[jfalkenstein]

Describe the bug

I'd like to use CloudWatch metrics from the KCL. However, when I tried to, Go warned me that it doesn't actually work as a Monitoring Service. The only ones that implement the interface are the NoOp one and the Prometheus one.

Reproduction steps

Try to pass a CloudWatch Monitoring Service in the KCL options

Expected behavior

You can use CloudWatch for a monitoring service.

Additional context

No response