Cherry-pick commits from #689

[github-actions]

Cherry-picking commit(s) 8ba6abf fed8a70 from #689 into dev-flat10.

[blimlim]

!test repro commit

[github-actions]

❌ The Bitwise Reproducibility Check Failed ❌

When comparing:

• cherry_pick_from_pr689_into_dev-flat10 (checksums created using commit bdfeeeb), against
• dev-flat10 (checksums in commit ede33ae)

🔧 The new checksums will be committed to this PR, if they differ from what is on this branch.

Further information

The experiment can be found on Gadi at /scratch/tm70/repro-ci/experiments/access-esm1.6-configs/pr693/cherry_pick_from_pr689_into_dev-flat10/bdfeeebfffde67ca3ece29a7400d4fce65337880, and the test results at https://github.com/ACCESS-NRI/access-esm1.6-configs/runs/71220501380.

The checksums generated by this !test command are found in the testing/checksum directory of https://github.com/ACCESS-NRI/access-esm1.6-configs/actions/runs/24385938081/artifacts/6422242606.

The checksums compared against are found here https://github.com/ACCESS-NRI/access-esm1.6-configs/tree/ede33ae01b4283fedf670db2eeb6d0506597cbeb/testing/checksum

Test summary:
❌ test_repro_historical
✅ test_repro_determinism