Allow running on whatever latest .NET version users have

[kzu]

Allow running on whatever latest .NET version users have

See https://docs.microsoft.com/en-us/dotnet/core/versions/selection#framework-dependent-apps-roll-forward

[kzu]

🧪 Details on macOS Unix 15.6.1

❌ Demo.Tests.Fails_With_Complex_StackTrace

System.InvalidOperationException : This should not happen!
   at Demo.Tests.Unexpected() in /_/src/Demo/Tests.cs:line 52
   at Demo.Tests.Run() in /_/src/Demo/Tests.cs:line 50
   at Demo.Tests.<Fails_With_Complex_StackTrace>b__6_0() in /_/src/Demo/Tests.cs:line 36
   at Demo.Tests.Fails_With_Complex_StackTrace() in /_/src/Demo/Tests.cs:line 38

❌ Demo.Tests.Fails_With_Output

Assert.Equal() Failure: Values differ
Expected: 42
Actual:   22
   at Demo.Tests.Fails_With_Output() in /_/src/Demo/Tests.cs:line 30

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

❌ Demo.Tests.FailsOnlyOnUnix

Fails on Unix
   at Demo.Tests.FailsOnlyOnUnix() in /_/src/Demo/Tests.cs:line 48

🧪 Details on Ubuntu 24.04.3 LTS

❌ Demo.Tests.Fails_With_Complex_StackTrace

System.InvalidOperationException : This should not happen!
   at Demo.Tests.Unexpected() in /_/src/Demo/Tests.cs:line 52
   at Demo.Tests.Run() in /_/src/Demo/Tests.cs:line 50
   at Demo.Tests.<Fails_With_Complex_StackTrace>b__6_0() in /_/src/Demo/Tests.cs:line 36
   at Demo.Tests.Fails_With_Complex_StackTrace() in /_/src/Demo/Tests.cs:line 38

❌ Demo.Tests.Fails_With_Output

Assert.Equal() Failure: Values differ
Expected: 42
Actual:   22
   at Demo.Tests.Fails_With_Output() in /_/src/Demo/Tests.cs:line 30

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

❌ Demo.Tests.FailsOnlyOnUnix

Fails on Unix
   at Demo.Tests.FailsOnlyOnUnix() in /_/src/Demo/Tests.cs:line 48

🧪 Details on Microsoft Windows 10.0.26100

❌ Demo.Tests.Fails_With_Complex_StackTrace

System.InvalidOperationException : This should not happen!
   at Demo.Tests.Unexpected() in /_/src/Demo/Tests.cs:line 52
   at Demo.Tests.Run() in /_/src/Demo/Tests.cs:line 50
   at Demo.Tests.<Fails_With_Complex_StackTrace>b__6_0() in /_/src/Demo/Tests.cs:line 36
   at Demo.Tests.Fails_With_Complex_StackTrace() in /_/src/Demo/Tests.cs:line 38

❌ Demo.Tests.Fails_With_Output

Assert.Equal() Failure: Values differ
Expected: 42
Actual:   22
   at Demo.Tests.Fails_With_Output() in /_/src/Demo/Tests.cs:line 30

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

from dotnet-trx v42.42.389-pr92 on .NET 9.0.9 with 💜 by @devlooped