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

https://github.com/motorto/void-packages imath
https://github.com/void-linux/void-packages/pull/39852

openexr3.0 update
[ci-skip] [ci skip]

## New Templates

- robin-map 1.0.1
- pystring 1.1.3

## Changed Templates:

- alembic 1.7.16 --> 1.8.3 (adopt)
- ilmbase --> imath 3.1.5
- openexr 2.4.1 --> 3.1.5 (adopt)
- gmic 2.9.9 --> 3.1.6
- opencolorio 1.1.1 --> 2.1.2
- openimageio 2.2.15.1 --> 2.3.18.0.

## Revbumped (xrevshlib)

- Field3D
- ImageMagick
- PrusaSlicer
- blender
- calligra
- gimp
- hugin
- kimageformats
- kio-extras
- krita
- opencv
- openvdb
- osg
- synfig
- synfigstudio
- vigra
- vips

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

A patch file from https://github.com/void-linux/void-packages/pull/39852.patch is attached