Make macOS version description more palatable

[kzu]

So that instead of this:

we get a simpler macOS [version] 🙄

[kzu]

Another review comment here

[kzu]

🧪 Details on Microsoft Windows 10.0.22631

❌ Demo.Tests.Fails_With_Complex_StackTrace

   at Demo.Tests.Unexpected() in Tests.cs:line 43
   at Demo.Tests.Run() in Tests.cs:line 41
   at Demo.Tests.<Fails_With_Complex_StackTrace>b__6_0() in Tests.cs:line 36
   at Demo.Tests.Fails_With_Complex_StackTrace() in Tests.cs:line 38

❌ Demo.Tests.Fails_With_Output

   at Demo.Tests.Fails_With_Output() in Tests.cs:line 30

> It was going so well...
> Yet you never know
> Which is why you sprinkle all these WriteLines 👀

✅ Demo.Tests.Parameterized(culture: "de")
✅ Demo.Tests.Parameterized(culture: "en")
✅ Demo.Tests.Parameterized(culture: "es")
✅ Demo.Tests.Parameterized(culture: "fr")
❔ Demo.Tests.Skipped_Test_Does_Not_Run => Shouldn't run for now :)

✅ Demo.Tests.Test_With_Output

> Hello, world from xunit ITestOutputHelper!

from dotnet-trx on .NET 8.0.5 with 💜