Update Sample: aws/sagas-lambda-aurora/sample.md

[RyanThomasForge]

Add an NServiceBus 10 version of this sample: aws/sagas-lambda-aurora/sample.md

Path: samples/aws/sagas-lambda-aurora/sample.md/

[bartekwasielak]

This cannot be done until .NET 10 support is added for AWS Lambda functions in December; https://docs.aws.amazon.com/lambda/latest/dg/lambda-runtimes.html#runtimes-future.