There's a merged pull request on the void-packages repository

New packages: python3-breathe and python3-pybind11
https://github.com/void-linux/void-packages/pull/20218

Description:
Pybind11 is a C++ header-only library that facilitates creation of Python bindings for C++ libraries. The man page for pybind11 is generated using the python3-breathe doxygen bridge.