Adding samples for Audit and updating the nuget package versions

[olicea]

Sample snippet contributions

For client library sample snippets, review and follow the snippet contribution guidance

• [x] Follow organization guidelines
• [x] Use real types (avoids var)
• [x] Use Context.Log (avoids Console.WriteLine)
• [x] Sample should clean up resources they create
• [x] Avoid samples that arbitrarily destroy data

[wnjenkin]

We should asyncify this snippet

[olicea]

We should asyncify this snippet

I updated the samples to be async, and added support for the ClientSampleMethod to be async