Update to v4 versions with multiple artifact download

[lukasIO]

Sorry about the previous breaking PR, this shouldn't have slipped past, but I only relied on the CI passing in the PR.

While it's not possible to upload multiple artifacts to the same name anymore with the v4 upload artifact action, it is possible to merge multiple artifact downloads into the same folder with v4 download artifact.

This PR merges all artifacts with the pattern python-package-dist-* into the dist folder. The idea is that no other changes are required, keeping the diff here minimal. Don't have a good way to test this though.

[changeset-bot]

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Latest commit: 15811a1

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