Merge pull request #677 from rolfbjarne/objctypeparamdecl-variance-an… #576

Job	Run time
macos-arm64 (arm64, debug, macos)	5m 13s
windows-x64 (x64, release, windows)	5m 57s
linux-x64 (x64, release, ubuntu)	3m 54s
macos-arm64 (arm64, release, macos)	3m 26s
windows-x64 (x64, debug, windows)	5m 37s
windows-arm64 (arm64, release, windows)	6m 21s
linux-x64 (x64, debug, ubuntu)	3m 47s
windows-arm64 (arm64, debug, windows)	6m 35s
linux-arm64 (arm64, release, ubuntu)	4m 19s
linux-arm64 (arm64, debug, ubuntu)	4m 0s
sign-nuget	2m 8s
publish-nightlies-azure	19s
publish-nightlies-github	0s
	51m 36s

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