v8.2.1 (Oct 13, 2023)
Oct 13, 2023: version 8.2.1
* (49) bug fix: GrB_mxm saxpy4 and saxpy5 had incorrectly handling of
typecasting in v8.0.0 to v8.2.0 (caught by Erik Welch)
* cross-compiler support: replace check_c_source_runs with _compiles,
for GraphBLAS and SuiteSparse_config, and remove check for
getenv("HOME").
* cmake update: add "None" build type, from Antonio Rojas, for Arch Linux
* (50) bug fix: remove undefined behavior in Source/GB_add.c (Cnvec_nonempty), caught by Yves Vandreissche, Intel