OpenImageIO v2.4.13.0

Release 2.4.13.0 (1 July 2023) -- compared to 2.4.12.0

• OpenCV: Improve OpenCV support -- errors, version, half #3853
• IBA: Improve error message for IBA::ocio functions #3887
• exif: Convert paramvalue string to integer when needed #3886 (by Fabien Servant @ TCS)
• exr: Correction to dwa vs zip logic when outputting OpenEXR #3884
• ico: Heap-buffer-overflow #3872 (by xiaoxiaoafeifei)
• jpeg: Fix density calculation for jpeg output #3861 (by Loïc Vital)
• jpeg2000: Better pixel type promotion logic #3878
• psd: Prevent simultaneous psd thumbnail reads from clashing #3877
• strutil.h: Ensure proper constexpr of string hashing #3901
• build Fix use of OIIO_LOCAL_DEPS_PATH #3865
• build Fix fmt vs gcc warning that had version typo #3874
• ci: Add test with new aswf containers for VFX Platform 2023 #3875
• ci: Fix broken heif dependency and test #3894
• ci: Simplify build_llvm.bash script #3892
• tests: Fix missing simd test due to copy paste typo #3896
• docs: Update CONTRIBUTING and SECURITY #3852
• docs: ImageInput and ImageOutput docs updated to Python 3. #3866 (by Ziggy Cross)
• docs: Many fixes to python code examples #3869 (by Jesse Y)
• docs: Update mail list URL #3880
• docs: Fix explanation of raw:Exposure config hint #3889
• docs: Document use of the DCO which is now required for all PRs #3897