There is a new pull request by ericonr against master on the void-packages repository

https://github.com/ericonr/void-packages age
https://github.com/void-linux/void-packages/pull/25530

kaitai-struct-compiler: drop noarch.
Also rebuild to appear in musl repositories.

A patch file from https://github.com/void-linux/void-packages/pull/25530.patch is attached