in 1.4.3 we bumped Cython to 0.29.30 xref GH41935

Ideally we want to bump Cython again to (at least) 0.29.31 in 1.4.x to fix a recent regression #46848 but also to address a long standing underlying issue of the pandas implementations of take that sometimes segfault with object dtypes.

cc @lithomas1