feat(jpeg): Support reading Ultra HDR images #6743

Job	Run time
windows-2019 VS2019	49m 56s
Ubuntu latest releases gcc13 C++20 py3.12 avx2 exr3.3 ocio2.4	3m 37s
windows-2022 VS2022	47m 11s
VFX2021 gcc9/C++17 py3.7 exr3.1 ocio2.0	2m 57s
Ubuntu bleeding edge gcc14 C++20 py3.12 OCIO/libtiff/exr-main avx2	3m 1s
VFX2021 clang10/C++17 avx2 exr3.1 ocio2.0	3m 14s
Ubuntu all local builds gcc12 C++17 avx2 exr3.2 ocio2.3	3m 21s
VFX2022 gcc9/C++17 py39 exr3.1 ocio2.1	7m 5s
Ubuntu clang14 C++20 avx2 exr3.1 ocio2.1	4m 15s
VFX2022 clang13/C++17 py39 avx2 exr3.1 ocio2.1	7m 30s
Ubuntu debug gcc9/C++17, sse4.2, exr3.1	2m 31s
VFX2022 icc/C++17 py3.9 exr3.1 ocio2.1 qt5.15	10m 22s
Ubuntu static libs gcc9 C++17 exr2.4	2m 25s
VFX2022 icx/C++17 py3.9 exr3.1 ocio2.2 qt5.15	7m 0s
Ubuntu clang-format	3m 8s
VFX2024 sanitizers	3m 55s
VFX2023 gcc11/C++17 py3.10 exr3.1 ocio2.2	6m 26s
macos-13 appleclang14/C++17 py3.11 MacOS-13-Intel	8m 8s
VFX2024 gcc11/C++17 py3.11 exr3.2 ocio2.3	6m 22s
macos-14 appleclang15/C++20 py3.12 MacOS-14-ARM	5m 4s
VFX2021 oldest gcc9.3/C++17 py3.7 exr-3.1	3m 35s
macos-15 appleclang16/C++20 py3.13 MacOS-15-ARM	7m 33s
VFX2021 hobbled gcc9.3/C++17 py3.7 exr-3.1 no-sse	5m 12s
VFX2023 abi check	2m 53s
	3h 26m 41s

Provide feedback