v3: Update MOM6 to mom-ocean/mom6 as of 2025-Jun-02#101

mathomp4 merged 4 commits intodevelopGEOS-ESM/GEOS_OceanGridComp:developfrom

feature/v3-mom6-PR-1664-updateGEOS-ESM/GEOS_OceanGridComp:feature/v3-mom6-PR-1664-updateCopy head branch name to clipboard