There is a new pull request by Emru1 against master on the void-packages repository

https://github.com/Emru1/void-packages openttd-13.4
https://github.com/void-linux/void-packages/pull/45490

openttd: update to 13.4.
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#### Testing the changes
- I tested the changes in this PR: **briefly**

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A patch file from https://github.com/void-linux/void-packages/pull/45490.patch is attached