It was not possible to find any compatible framework version
The framework 'Microsoft.NETCore.App', version '5.0.0' (x64) was not found.
- The following frameworks were found:
6.0.2 at [/usr/share/dotnet/shared/Microsoft.NETCore.App]
て言ゎれたら
wsl yay -Sy aspnet-runtime-5.0-bin