Add/fix build capability for Gaea-C5, Gaea-C6, and container#146

Merged

EdwardSafford-NOAA merged 3 commits intoNOAA-EMC:developfrom NOAA-EPIC:feature/c5c6conbuild

Nov 6, 2024

+78-12

Commits on Oct 23, 2024

Commits on Nov 4, 2024

point to spack-stack C6 install
DavidBurrows-NCO
committed