Prepare for 20.0.0 #2105

Job	Run time
Test Source Generation	3m 48s
Verify TODOs	7s
Test Weaver (windows-latest, win-x64)	3m 2s
Test Weaver (ubuntu-latest, linux-x64)	27s
Test Weaver (macos-14, osx-arm64)	35s
Wrappers / Check Cache (ubuntu)	52s
Wrappers / Check Cache (windows)	1m 5s
Wrappers / Catalyst	0s
Wrappers / MacOS	0s
Wrappers / Apple Platform	0s
Wrappers / Android	0s
Wrappers / Linux	0s
Wrappers / Windows	0s
Wrappers / UWP	0s
Test Code Coverage	3m 3s
Package NuGet	5m 7s
Test .NET Framework	6m 32s
Test UWP	10m 33s
Test net6.0, win-x64	5m 46s
Test net6.0, linux-x64	2m 42s
Package Unity	4m 35s
Test Xamarin.macOS	8m 43s
Test net6.0, osx-x64	7m 6s
Test Xamarin.iOS	9m 47s
Test net8.0, osx-arm64	3m 32s
Test Maui.MacCatalyst	8m 14s
Test Maui.Android	17m 30s
Test Maui.iOS	18m 42s
Test Xamarin.tvOS	12m 44s
Test Xamarin.Android	21m 26s
Test Woven Classes	5m 40s
Verify Namespaces	42s
	2h 42m 20s

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