feat(utils)!: store vcs info in metadata

[ways]

Description

This closes #130 by adding more metadata to checkpoints.

What problem does this change solve?

Add more info to checkpoint metadata about modules used in training. The URL, subdirectory and more.

What issue or task does this change relate to?

Closes #130

Additional notes

If someone is parsing the metadata already, this could be a breaking change, but I don't think it is.

Old metadata:

"anemoi.models": "0.12.0",
New metadata:

            "anemoi.models": {
                "source": {
                    "subdirectory": "models",
                    "url": "https://github.com/ways/anemoi-core.git",
                    "vcs_info": {
                        "commit_id": "5abd0c8f3f05cb949800c8bb4878a29312c0e0aa",
                        "requested_revision": "models-0.12.0",
                        "vcs": "git"
                    }
                },
                "version": "0.12.0"
            },

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[ways]

Tested like this:

• Check out https://github.com/metno/bris-inference
• Edit tox.ini test named "training"
• change deps to:

deps =
    anemoi-training@git+https://github.com/ecmwf/anemoi-core.git@training-0.9.0\#egg=pkg&subdirectory=training
    anemoi-graphs@git+https://github.com/ecmwf/anemoi-core.git@graphs-0.8.4\#egg=pkg&subdirectory=graphs
    anemoi-models@git+https://github.com/ways/anemoi-core.git@models-0.12.0\#egg=pkg&subdirectory=models
    trimesh

• change commands_pre = to:

commands_pre =
    # Copy config file to the temp directory.
    cp -vf {toxinidir}/config/tox_test_train.yaml {envtmpdir}/
    # Link training data
    ln -sf {toxworkdir}/bris_random_data.zarr {envtmpdir}/
    pip install 'anemoi-utils@git+https://github.com/ways/anemoi-utils.git@larstest'

• run test uv tool run tox -e training
• Look at checkpoint produced: uv tool run anemoi-utils metadata --dump .tox/training/tmp/training-output/checkpoint/*/inference-last.ckpt
• Optional: compare with checkpoint produced with existing anemoi-utils, anemoi-utils == v0.4.43

[anaprietonem]

Thanks @ways, I left some comments (mostly to check my understanding). Regarding this being a breaking change - @HCookie could you check if this could lead to any issues in the catalogue? (just thinking that might be a place where we read/use the provenance info)