[Feature Request]: support audit-settings from sql server module

[davidkarlsen]

Description

It would be nice (and natural) if the module https://github.com/Azure/ResourceModules/tree/main/modules/Microsoft.Sql/servers supported defining the audit-settings: https://learn.microsoft.com/en-us/azure/templates/microsoft.sql/servers/auditingsettings?pivots=deployment-language-bicep