Migrate LoggingRetryer to be compatible with aws-sdk-go-v2

The interface and default implementation for the [Retryer](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/aws/retry) has changed, which requires migrating the `LoggingRetryer` to be compatible with [aws.Retryer](https://pkg.go.dev/github.com/aws/aws-sdk-go-v2/aws#Retryer).

Part of https://github.com/weaveworks/eksctl/issues/4877