Update to .NET 8.0 #1547

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21 warnings

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The 'PackageIconUrl'/'iconUrl' element is deprecated. Consider using the 'PackageIcon'/'icon' element instead. Learn more at https://aka.ms/deprecateIconUrl

File '/home/runner/work/Svg.Skia/Svg.Skia/src/Svg.Model/bin/Release/netstandard2.0/ShimSkiaSharp.dll' is not added because the package already contains file 'analyzers/dotnet/cs/ShimSkiaSharp.dll'

File '/home/runner/work/Svg.Skia/Svg.Skia/src/Svg.Model/bin/Release/netstandard2.0/Svg.Custom.dll' is not added because the package already contains file 'analyzers/dotnet/cs/Svg.Custom.dll'

File '/home/runner/work/Svg.Skia/Svg.Skia/src/Svg.Skia/bin/Release/netstandard2.0/ShimSkiaSharp.dll' is not added because the package already contains file 'analyzers/dotnet/cs/ShimSkiaSharp.dll'

File '/home/runner/work/Svg.Skia/Svg.Skia/src/Svg.Skia/bin/Release/netstandard2.0/Svg.Custom.dll' is not added because the package already contains file 'analyzers/dotnet/cs/Svg.Custom.dll'

File '/home/runner/work/Svg.Skia/Svg.Skia/src/Svg.Skia/bin/Release/netstandard2.0/Svg.Model.dll' is not added because the package already contains file 'analyzers/dotnet/cs/Svg.Model.dll'

The 'PackageIconUrl'/'iconUrl' element is deprecated. Consider using the 'PackageIcon'/'icon' element instead. Learn more at https://aka.ms/deprecateIconUrl

externals/SVG/Source/Exceptions/SvgMemoryException.cs#L18

'Exception.Exception(SerializationInfo, StreamingContext)' is obsolete: 'This API supports obsolete formatter-based serialization. It should not be called or extended by application code.' (https://aka.ms/dotnet-warnings/SYSLIB0051)

samples/AvaloniaSvgSkiaSample/MainWindow.axaml.cs#L83