CD warnings

[jeromekelleher]

Minor warnings from CD workflow:

Annotations
2 warnings
Packaging
Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/upload-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.
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Deprecation notice: v1, v2, and v3 of the artifact actions
The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "python-package-distributions". Please update your workflow to use v4 of the artifact actions. Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/
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[benjeffery]

We have these ones all over the place, I don't think GitHub will remove node 16 anytime soon, and sometimes the actions we use haven't updated.

[jeromekelleher]

Bumping upload to v3 got rid of the node warnings too.