Potentially revert / remove on release of PyPy 7.3.4.
* patching linux and macos
* try test
* add patch files for pypy2.7
* fix installing
* Combine patch files into one
* Simplify further, and add test to remind ourselves to remove the PyPy patch
* ignore fail of patch on linux
make new test failing only on linux
* fix test
* add timeout
* fix patch on linux
* change `-N` to `--force`
Co-authored-by: Yannick Jadoul <yannick.jadoul@belgacom.net>