ci: Various adjustments for OIIO 3.0 becoming the release #3882

Job	Run time
macos-13 C++17 py3.11 MacOS-13 llvm17	31m 36s
VFX2021 gcc9/C++17 llvm11 py3.7 oiio2.4 sse4 batch-b8avx2	13m 8s
macos-14 C++17 py3.11 MacOS-14-ARM llvm17	9m 51s
Ubuntu Debug gcc7/C++17 llvm9 py3.7 oiio2.3 exr2.4 sse4 exr2.4	25m 8s
VFX2022 gcc9/C++17 llvm13 py3.9 exr3.1 oiio-rel avx2	15m 1s
Ubuntu gcc10/C++17 llvm10 oiio-2.5 avx2	7m 44s
VFX2022 clang12/C++17 llvm12 oiio-main py3.9 avx2 batch-avx512	27m 39s
VFX2022 gcc9/C++17 llvm11 py3.9 exr3.1 oiio2.3 sse2 batch-b4sse2	16m 7s
Ubuntu latest releases gcc11/C++17 llvm17 exr3.2 py3.10 avx2 batch-b16avx512	13m 23s
VFX2022 icc/C++17 llvm14 py3.9 oiio-main avx2	20m 35s
Ubuntu bleeding edge gcc12/C++17 llvm17 oiio/ocio/exr/pybind-main py3.10 avx2 batch-b16avx512	14m 13s
VFX2022 icx/C++17 llvm14 py3.9 oiio2.3 avx2	18m 19s
VFX2023 gcc11/C++17 llvm15 py3.10 oiio-rel avx2	15m 45s
Ubuntu clang14/C++17 llvm14 py3.8 avx2 batch-b16avx512	29m 38s
VFX2023 GPU Cuda11 gcc11/C++17 llvm15 py3.10 OIIO-main avx2	4m 12s
Ubuntu clang-format	7m 3s
VFX2024 gcc11/C++17 llvm17 py3.11 boost1.82 oiio-rel avx2	19m 23s
VFX2021 oldest everything gcc9/C++17 llvm9 py3.7 oiio2.3 no-simd	7m 23s
VFX2022 sanitizers	28m 17s
VFX2023 abi check	8m 7s
	5h 32m 32s

Provide feedback