New review comment by lemmi on void-packages repository

https://github.com/void-linux/void-packages/pull/41754#discussion_r1083956147

Comment:
https://github.com/void-linux/void-packages/actions/runs/3985990165/jobs/6834016287#step:7:2656
```
fatal: not a git repository (or any of the parent directories): .git
...
```
Can be fixed by using
```
VERSION="${version}" make man
```