.NET

Add missing EFX bindings #1033

Job	Run time
Build	4m 5s
Test (win-x64, windows-latest, win-x64)	3m 56s
Test (linux-x64, ubuntu-22.04, linux-x64)	2m 28s
Test (osx-arm64, macos-latest, osx-arm64)	2m 45s
Report Coverage	24s
Release	0s
	13m 38s

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