`build-ci v3`: Update Infra For `spack v1`#20

Open

CodeGat wants to merge 5 commits intoaccess-esm1.5from

infra-update-v3

Commits on Nov 17, 2025

infra: Update to v3
CodeGat
committed

Commits on Dec 4, 2025

[no-ci] infra: Update to spack v1.1
CodeGat
committed

Commits on Feb 17, 2026

Update comments
CodeGat
committed

Commits on May 3, 2026