Adding netstandard2.0 so we can use this from a MSBuild inline task e… #118

Job	Run time
Build	1m 5s
Test (IKVM.ByteCode.Tests:net472:win-x64)	37s
Test (IKVM.ByteCode.Tests:net6.0:win-x64)	1m 6s
Test (IKVM.ByteCode.Tests:net7.0:win-x64)	1m 16s
Test (IKVM.ByteCode.Tests:net8.0:win-x64)	1m 11s
Test (IKVM.ByteCode.Tests:net472:linux-x64)	26s
Test (IKVM.ByteCode.Tests:net6.0:linux-x64)	16s
Test (IKVM.ByteCode.Tests:net7.0:linux-x64)	20s
Test (IKVM.ByteCode.Tests:net8.0:linux-x64)	26s
Test (IKVM.ByteCode.Tests:net472:osx-x64)	34s
Test (IKVM.ByteCode.Tests:net6.0:osx-x64)	33s
Test (IKVM.ByteCode.Tests:net7.0:osx-x64)	31s
Test (IKVM.ByteCode.Tests:net8.0:osx-x64)	49s
Test (IKVM.ByteCode.Tests:net472:osx-arm64)	20s
Test (IKVM.ByteCode.Tests:net6.0:osx-arm64)	22s
Test (IKVM.ByteCode.Tests:net7.0:osx-arm64)	23s
Test (IKVM.ByteCode.Tests:net8.0:osx-arm64)	20s
Release	18s
	10m 53s

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