Update to HDF5 2.1.0, other updates from GMAO testing#2052

mathomp4 wants to merge 7 commits into

JCSDA:developJCSDA/spack-stack:developfrom

GMAO-SI-Team:feature/gmao/updates-2026Jul02GMAO-SI-Team/spack-stack:feature/gmao/updates-2026Jul02Copy head branch name to clipboard