deps: Add build recipe for PNG #6237

Job	Run time
windows-2019 VS2019	54m 2s
windows-2022 VS2022	50m 14s
macos-12 appleclang13/C++17 py3.10 MacOS-12	20m 23s
VFX2021 gcc9/C++17 py3.7 exr3.1 ocio2.0	9m 44s
macos-13 appleclang14/C++17 py3.11 MacOS-13	24m 46s
VFX2021 clang10/C++17 avx2 exr3.1 ocio2.0	5m 41s
Ubuntu latest releases gcc13 C++20 py3.12 avx2 exr3.2 ocio2.3	6m 17s
macos-14 appleclang15/C++20 py3.11 MacOS-14-ARM	7m 36s
VFX2022 gcc9/C++17 py39 exr3.1 ocio2.1	8m 47s
Ubuntu bleeding edge gcc14 C++20 py3.12 OCIO/libtiff/exr-master avx2	8m 22s
VFX2022 clang13/C++17 py39 avx2 exr3.1 ocio2.1	8m 47s
Ubuntu all local builds gcc12 C++17 avx2 exr3.2 ocio2.3	7m 47s
VFX2022 icc/C++17 py3.9 exr3.1 ocio2.1 qt5.15	10m 41s
Ubuntu clang14 C++20 avx2 exr3.1 ocio2.1	14m 1s
VFX2022 icx/C++17 py3.9 exr3.1 ocio2.2 qt5.15	9m 39s
Ubuntu debug gcc9/C++17, sse4.2, exr3.1	12m 21s
VFX2024 sanitizers	33m 49s
Ubuntu static libs gcc9 C++17 exr2.4	12m 39s
VFX2023 gcc11/C++17 py3.10 exr3.1 ocio2.2	11m 41s
Ubuntu clang-format	6m 17s
VFX2024 gcc11/C++17 py3.11 exr3.2 ocio2.3	13m 17s
VFX2021 oldest gcc9.3/C++17 py3.7 exr-3.1	9m 10s
VFX2021 hobbled gcc9.3/C++17 py3.7 exr-3.1 no-sse	6m 35s
VFX2023 abi check	12m 45s
	6h 5m 21s

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