v2: Update MOM6 to mom-ocean/mom6 as of 2025-Jun-02#102

mathomp4 merged 2 commits intorelease/v2GEOS-ESM/GEOS_OceanGridComp:release/v2from

feature/v2-mom6-PR-1664-updateGEOS-ESM/GEOS_OceanGridComp:feature/v2-mom6-PR-1664-updateCopy head branch name to clipboard