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

https://github.com/chili-b/void-packages libcgroup
https://github.com/void-linux/void-packages/pull/38622

libcgroup: update to 3.0.0.
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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-glibc)

A patch file from https://github.com/void-linux/void-packages/pull/38622.patch is attached