acts: add v15.1 and record incompatibility (#27942)
acts: add v15.1 and record incompatibility (#27942)

Co-authored-by: Wouter Deconinck <7eb02f5f305372f294b6286aec62d8d28e10ee73@gmail.com>
LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack,LLNL/spack