Build

Fix PixelColorType.YCbCr wrongly interpreted as grayscale in PngEncoder #5293

Job	Run time
WarmLFS	19s
Build (ubuntu-latest, net10.0, 10.0.x, true, -x64, false)	5m 28s
Build (windows-latest, net8.0, 8.0.x, -x64, false)	6m 5s
Build (macos-13, net8.0, 8.0.x, -x64, false)	1s
Build (ubuntu-22.04-arm, net10.0, 10.0.x, true, -x64, false)	4m 44s
Build (macos-26, net10.0, 10.0.x, true, -x64, false)	5m 13s
Build (macos-13, net10.0, 10.0.x, true, -x64, false)	1s
Build (windows-latest, net10.0, 10.0.x, true, -x64, false)	7m 44s
Build (ubuntu-latest, net8.0, 8.0.x, -x64, false)	5m 9s
Build (ubuntu-22.04-arm, net8.0, 8.0.x, -x64, false)	4m 26s
Build (macos-26, net8.0, 8.0.x, -x64, false)	5m 14s
Publish	0s
	44m 24s

Provide feedback