update to xunit.v3 with the new Microsoft Testing Platform [XUnit - What's new](https://xunit.net/docs/getting-started/v3/whats-new) [Aspire testing template](https://github.com/dotnet/aspire/issues/7225) - [x] Update unit tests with xunit.3 - [ ] Update integration test to xunit.3 with Aspire 9.3
update to xunit.v3 with the new Microsoft Testing Platform
XUnit - What's new
Aspire testing template