Upgrade versions#3

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cozdas wants to merge 14 commits intomainfrom

cozdas/OCIO-152

Commits on Sep 17, 2025

- updating yaml-cpp to v0.8.0
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- Fixing yaml issues with 0.8.0.
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- Builds are fine but some jobs are failing on tests on static consumers. I hope this fixes that.
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- another attempt to upgrade the CI environment to work with yaml 0.8.0
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- increasing the zlib recommended version to 1.3.1
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- bumping up pystring to 1.1.4. Interestingly enough the local build failed on openexr, which doesn't make sense.
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- Removing OpenEXR_MININUM_VERSION variable in cmake files as it's no longer used in multiple places unlike what the comment says.
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Commits on Sep 18, 2025

- Imath reccomended to 3.2.1
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