Update to upstream oasis3 mct

[manodeep]

1. Summary:

What has changed?
Swapping over to the latest ESM 1.6 release with upstream oasis3-mct v5.2

Why was this done?
Changing over to a later version of oasis3-mct (our current version is v2.x)

2. Issues Addressed:

• Build and optimise tasks before release ACCESS-ESM1.6#160

3. Dependencies (e.g. on payu, or model)

This change requires changes to (note pull request(s) where relevant):

• workflow manager (payu):
• model deployment (ACCESS-ESM1.6): Update to upstream oasis3-mct v5.2 ACCESS-ESM1.6#177
• model component or library dependency:
• input workflow:

4. Ad-hoc Testing

What ad-hoc testing was done? How are you convinced this change is correct (plots are good)?

5. CI Testing

• !test repro has been run

6. Reproducibility

Is this reproducible with the previous commit? (If not, why not?)

• Yes
• No - !test repro commit has been run.

7. Performance

Has the model performance (say, throughput of model-years/wall-day) changed?

• Yes
• No
• N/A (if selected, please add a brief explanation why performance testing is not necessary for this PR)

If yes, provide the numbers from your testing. Is the performance better or worse?

8. Manifests

Have you changed the executable, the input files and/or the restart files?

• Yes
• No

If yes, have you updated the manifests?

• Yes
• No

To update the manifests, run payu setup (in a cloned copy of your feature branch) with reproducibility tests turned off:

manifest:
  reproduce:
    exe: false
    input: false
    restart: false
runlog:
  enable: false

Then commit the newly created manifest files (under manifests/) only to the branch for this PR.

9. Documentation

Is the documentation updated?

• Yes
• N/A

10. Merge Strategy

• Merge commit
• Rebase and merge
• Squash

[manodeep]

!test repro

[github-actions]

✅ The Bitwise Reproducibility Check Succeeded ✅

When comparing:

• update-to-upstream-oasis3-mct (checksums created using commit 0fe6cec), against
• dev-preindustrial+concentrations (checksums in commit a99602d)

Further information

The experiment can be found on Gadi at /scratch/tm70/repro-ci/experiments/access-esm1.6-configs/0fe6cec823704f9058b2123ee2cb15da7a82f3b7, and the test results at https://github.com/ACCESS-NRI/access-esm1.6-configs/runs/58767198104.

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/20451799654/artifacts/4950060882.

The checksums compared against are found here https://github.com/ACCESS-NRI/access-esm1.6-configs/tree/a99602d85a5704c748ff578da601ebb85834c9c0/testing/checksum

Test summary:
✅ test_repro_historical
✅ test_repro_determinism

[blimlim]

Thanks @manodeep, changes look good to me!

[blimlim]

Suggested change

	# information is written by OASIS3-MCT for each component and (optionnally) for each process.
	# information is written by OASIS3-MCT for each component and (optionally) for each process.

[blimlim]

Just realised this is copied directly from the docs, so maybe just leave it as it is.