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

https://github.com/deeany/void-packages gdk_pixbuf
https://github.com/void-linux/void-packages/pull/15492

gdk-pixbuf: update to 2.39.2


A patch file from https://github.com/void-linux/void-packages/pull/15492.patch is attached