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

https://github.com/lz-coder/void-packages grub-btrfs
https://github.com/void-linux/void-packages/pull/44724

grub-btrfs: update to 4.13.
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#### Testing the changes
- I tested the changes in this PR: **YES**

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- I built this PR locally for my native architecture, (x86_64-GLIBC)


A patch file from https://github.com/void-linux/void-packages/pull/44724.patch is attached