Bump xunit from 2.9.2 to 2.9.3 #336

Job	Run time
linux-openvino	0s
linux-cuda	0s
linux-vulkan	0s
macos-coreml	0s
windows-cuda	0s
windows-vulkan	0s
windows-openvino	0s
android / native-build	1m 48s
linux / native-build	2m 15s
linux-no-avx / native-build	1m 13s
macos / arm-native-build	2m 29s
macos / intel-native-build	1m 45s
wasm / native-build	1m 3s
windows / arm-native-build	1m 44s
windows-no-avx / native-build	2m 22s
windows / intel-native-build	1m 23s
dotnet-build / dotnet-macos	2m 55s
dotnet-build / dotnet-windows	3m 34s
dotnet-maui-build-and-test / dotnet-maui-build	5m 14s
dotnet-build / dotnet-linux	1m 28s
dotnet-maui-build-and-test / dotnet-maui-test-ios	4m 57s
dotnet-maui-build-and-test / dotnet-maui-test-android	4m 27s
	38m 37s

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