https://github.com/xianyi/OpenBLAS/releases/tag/v0.3.19
has various fixes, in particular for Apple M1

https://github.com/xianyi/OpenBLAS/releases/tag/v0.3.20
brings some fixes including "fixed miscompilation of AVX512 code in DYNAMIC_ARCH builds"

CC: @vbraun

Component: packages: standard

Author: Matthias Koeppe

Branch/Commit: 91e156a

Reviewer: Travis Scrimshaw

Issue created by migration from https://trac.sagemath.org/ticket/33194