openimageio v2.5.18.0; revitalize recipe; rebuild for libboost 1.86

[regro-cf-autotick-bot]

This PR has been triggered in an effort to update libboost186.

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Closes #111
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[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe/meta.yaml) and found it was in an excellent condition.

[h-vetinari]

@conda-forge-admin, please rerender

[h-vetinari]

@conda-forge/openimageio, this is ready, PTAL! :)

[h-vetinari]

@conda-forge-admin, please rerender

[h-vetinari]

This failure

[ 66%] Building CXX object src/libOpenImageIO/CMakeFiles/OpenImageIO.dir/__/ico.imageio/icoinput.cpp.o
In file included from /home/conda/feedstock_root/build_artifacts/openimageio_1737692683563/work/src/ico.imageio/icoinput.cpp:9:
/home/conda/feedstock_root/build_artifacts/openimageio_1737692683563/work/src/ico.imageio/../png.imageio/png_pvt.h:8:10: fatal error: zlib.h: No such file or directory
    8 | #include <zlib.h>
      |          ^~~~~~~~

makes no sense to me, given that zlib is not only there, but also found by CMake:

-- Found Boost 1.86.0 
-- Found ZLIB

[h-vetinari]

Given the state of this feedstock, I'm adding myself to maintainers and cleaning this up a bit 🫡