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

https://github.com/subnut/void-packages php8.1
https://github.com/void-linux/void-packages/pull/37949

php8.1: update to 8.1.8, add changelog URL, fix man pages
The changelog URL points to the changelog for $version because the
changelog in the master branch contains the details of many alpha and RC
releases, which makes it difficult to find the changelog corresponding
to the current pkgver.


Replace man pages containing only a single `.so` directive with
symlinks to the intended man page.


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A patch file from https://github.com/void-linux/void-packages/pull/37949.patch is attached