Add PngWriteDefines to Magick.NET #909

Job	Run time
Library (Core)	6m 54s
MacOS (Q8/Q16/Q16-HDRI)	4m 5s
Linux (Q8/Q16/Q16-HDRI, x64)	4m 15s
Library (SystemDrawing)	6m 53s
Linux musl (Q8/Q16/Q16-HDRI, x64)	3m 54s
Library (SystemWindowsMedia)	6m 51s
MacOS (Q8/Q16/Q16-HDRI, arm64)	1m 53s
Windows (Q8, x86)	5m 35s
Windows (Q8, x64)	5m 36s
Windows (Q8, arm64)	5m 38s
Windows (Q8, Any CPU)	5m 37s
Windows (Q8-OpenMP, x64)	5m 35s
Windows (Q8-OpenMP, arm64)	5m 38s
Windows (Q16, x86)	5m 32s
Windows (Q16, x64)	5m 33s
Windows (Q16, arm64)	5m 33s
Windows (Q16, Any CPU)	5m 40s
Windows (Q16-OpenMP, x64)	5m 39s
Windows (Q16-OpenMP, arm64)	5m 39s
Windows (Q16-HDRI, x86)	5m 37s
Windows (Q16-HDRI, x64)	5m 38s
Windows (Q16-HDRI, arm64)	5m 38s
Windows (Q16-HDRI, Any CPU)	5m 40s
Windows (Q16-HDRI-OpenMP, x64)	5m 39s
Windows (Q16-HDRI-OpenMP, arm64)	5m 38s
	2h 15m 50s

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