Use SourceGenerator for native code of MagickSettings. #896

Job	Run time
MacOS (Q8/Q16/Q16-HDRI)	3m 36s
MacOS (Q8/Q16/Q16-HDRI, arm64)	1m 46s
Linux (Q8/Q16/Q16-HDRI, x64)	4m 30s
Library (Core)	7m 30s
Library (SystemDrawing)	10m 39s
Linux musl (Q8/Q16/Q16-HDRI, x64)	3m 59s
Library (SystemWindowsMedia)	11m 5s
Windows (Q8, x86)	9m 18s
Windows (Q8, x64)	8m 54s
Windows (Q8, arm64)	7m 8s
Windows (Q8, Any CPU)	8m 51s
Windows (Q8-OpenMP, x64)	8m 30s
Windows (Q8-OpenMP, arm64)	7m 24s
Windows (Q16, x86)	10m 0s
Windows (Q16, x64)	8m 42s
Windows (Q16, arm64)	7m 12s
Windows (Q16, Any CPU)	8m 42s
Windows (Q16-OpenMP, x64)	9m 28s
Windows (Q16-OpenMP, arm64)	5m 51s
Windows (Q16-HDRI, x86)	10m 13s
Windows (Q16-HDRI, x64)	9m 48s
Windows (Q16-HDRI, arm64)	8m 26s
Windows (Q16-HDRI, Any CPU)	9m 27s
Windows (Q16-HDRI-OpenMP, x64)	6m 59s
Windows (Q16-HDRI-OpenMP, arm64)	7m 34s
	3h 15m 32s

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