There is a new pull request by paper42 against master on the void-packages repository

https://github.com/paper42/void-packages grep-3.8
https://github.com/void-linux/void-packages/pull/39340

grep: update to 3.8.
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#### Testing the changes
- I tested the changes in this PR: **briefly**

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#### Local build testing
- I built this PR locally for my native architecture, x86_64-musl
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  - ppc-musl (cross)
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A patch file from https://github.com/void-linux/void-packages/pull/39340.patch is attached