Use Nearest filtering for RGB to YUV. #499

Job	Run time
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	24m 14s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	22m 57s
Build windows-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	15m 25s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	23m 35s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=libretro	14m 29s
Build windows-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	14m 50s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=GLFW	17m 16s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=libretro	22m 21s
Build ubuntu-latest \|\| SHARED=OFF \|\| PLATFORM=KHR_DISPLAY	17m 9s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=GLFW	27m 5s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=libretro	22m 26s
Build ubuntu-latest \|\| SHARED=ON \|\| PLATFORM=KHR_DISPLAY	19m 48s
	4h 1m 35s

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