Updates DOTNET_URL In Wine Setup To .NET 8

[AristurtleDev]

Description

This updates the DOTNET_URL environment variable in the mgfxc_wine_setup.sh script to point to

https://dotnetcli.azureedge.net/dotnet/Sdk/8.0.201/dotnet-sdk-8.0.201-win-x64.zip

so that it correctly installs .NET 8.

Notes

The download link was determined by running the dotnet-install.ps1 script with the following command

dotnet-install.ps1 -DryRun

which outputs

PS C:\Users\Aristurtle\Downloads> .\dotnet-install.ps1 -DryRun  
dotnet-install: Payload URLs:
dotnet-install: URL #0 - aka.ms: https://dotnetcli.azureedge.net/dotnet/Sdk/8.0.201/dotnet-sdk-8.0.201-win-x64.zip
dotnet-install: Repeatable invocation: .\dotnet-install.ps1 -Version "8.0.201" -InstallDir "C:\Users\Aristurtle\AppData\Local\Microsoft\dotnet" -Architecture "x64"

References

• dotnet-install scripts reference
• Issue #8103: .NET 8 Update Issues On Linux
• Issue #8124: macOS and Linux setup experience