Add PngWriteDefines to Magick.NET #933

Job	Run time
Linux (Q8/Q16/Q16-HDRI, x64)	4m 17s
Linux musl (Q8/Q16/Q16-HDRI, x64)	3m 58s
MacOS (Q8/Q16/Q16-HDRI)	2m 57s
Library (Core)	6m 29s
MacOS (Q8/Q16/Q16-HDRI, arm64)	1m 58s
Library (SystemDrawing)	6m 48s
Library (SystemWindowsMedia)	8m 11s
Windows (Q8, x86)	10m 12s
Windows (Q8, x64)	8m 30s
Windows (Q8, arm64)	6m 29s
Windows (Q8, Any CPU)	9m 14s
Windows (Q8-OpenMP, x64)	8m 46s
Windows (Q8-OpenMP, arm64)	7m 39s
Windows (Q16, x86)	11m 19s
Windows (Q16, x64)	8m 56s
Windows (Q16, arm64)	5m 46s
Windows (Q16, Any CPU)	8m 36s
Windows (Q16-OpenMP, x64)	7m 41s
Windows (Q16-OpenMP, arm64)	7m 3s
Windows (Q16-HDRI, x86)	9m 44s
Windows (Q16-HDRI, x64)	6m 48s
Windows (Q16-HDRI, arm64)	7m 23s
Windows (Q16-HDRI, Any CPU)	8m 33s
Windows (Q16-HDRI-OpenMP, x64)	8m 59s
Windows (Q16-HDRI-OpenMP, arm64)	7m 25s
	3h 3m 41s

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