fix for #3989

Export `ssyconvf` symbol

This was apparently missed in commit a836fe8ec when adding the
LAPACK 3.7.0 symbols. We noticed when adding wrappers for 3.7.0
routines in SciPy. For more details, see
https://github.com/rgommers/scipy/issues/143

Refactor ?GEBAL for readability (Reference-LAPACK PR 808)

Add Apple M1 testing via Cirrus CI

Merge back from release branch into develop to copy tag

Merge from develop branch for 0.3.23

Update with 0.3.23 changes

Fix logic bug in single-threaded C/Z SPR

Split and improve test criteria in LU computation (?GETF2)

fix division-by-zero guard in zgetf2

Fix build failures with NO_LAPACK

Improve Intel Raptor Lake detection

remove unqualified ifndef's for NO_LAPACK(E)

mergeback from release branch

Replace the conditionally defined index INDIBL with a constant (Reference-LAPACK PR807)

Improve the performance of sbgemm_tcopy on neoversen2

Add multithreading threshold for SYMM and rework the one for SYRK

* Add ARMV5

Add ARMv6 support to cmake/prebuild.cmake

Fix detection of Cray CCE after recent detection changes for gfortran on Cray

based on cpuid_arm.c and param.h

CCE15 no longer produces a .ident line, so  look for HPE name in a note section as well

Update Reference-LAPACK README to 3.11.0