build: Remove the enforced upper version limit for fmt #6580

Job	Run time
macos-12 appleclang13/C++17 py3.11 MacOS-12	16m 50s
Ubuntu latest releases gcc13 C++20 py3.12 avx2 exr3.3 ocio2.4	6m 34s
macos-13 appleclang14/C++17 py3.11 MacOS-13	25m 17s
VFX2021 gcc9/C++17 py3.7 exr3.1 ocio2.0	12m 47s
Ubuntu bleeding edge gcc14 C++20 py3.12 OCIO/libtiff/exr-main avx2	14m 59s
macos-14 appleclang15/C++20 py3.12 MacOS-14-ARM	9m 24s
windows-2019 VS2019	51m 13s
VFX2021 clang10/C++17 avx2 exr3.1 ocio2.0	5m 0s
Ubuntu all local builds gcc12 C++17 avx2 exr3.2 ocio2.3	7m 11s
windows-2022 VS2022	47m 43s
VFX2022 gcc9/C++17 py39 exr3.1 ocio2.1	12m 23s
Ubuntu clang14 C++20 avx2 exr3.1 ocio2.1	14m 56s
VFX2022 clang13/C++17 py39 avx2 exr3.1 ocio2.1	12m 11s
Ubuntu debug gcc9/C++17, sse4.2, exr3.1	13m 37s
VFX2022 icc/C++17 py3.9 exr3.1 ocio2.1 qt5.15	9m 55s
VFX2022 icx/C++17 py3.9 exr3.1 ocio2.2 qt5.15	9m 48s
Ubuntu static libs gcc9 C++17 exr2.4	13m 56s
VFX2024 sanitizers	33m 44s
VFX2023 gcc11/C++17 py3.10 exr3.1 ocio2.2	11m 10s
VFX2024 gcc11/C++17 py3.11 exr3.2 ocio2.3	12m 14s
VFX2021 oldest gcc9.3/C++17 py3.7 exr-3.1	6m 27s
Ubuntu clang-format	6m 29s
VFX2021 hobbled gcc9.3/C++17 py3.7 exr-3.1 no-sse	9m 59s
VFX2023 abi check	10m 51s
	6h 14m 38s

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