There is an updated pull request by motorto against master on the void-packages repository

https://github.com/motorto/void-packages imath-3.1.9
https://github.com/void-linux/void-packages/pull/44300

Imath 3.1.9 + Openexr 3.1.8.
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#### Testing the changes
- I tested the changes in this PR: **briefly**, as in didn't test some package that were revbumped.

#### Local build testing
- I built this PR locally for my native architecture, x86_64-glibc

Previously closed the imath 3.1.8 update because of the changed shlib and the high number of packages that would need to be revbumped. Waited for openexr to release a new version and re-opened this.


A patch file from https://github.com/void-linux/void-packages/pull/44300.patch is attached