Upload CI broken

[matthewfeickert]

Following PR #107

Run actions/download-artifact@v6
  with:
    name: jupyterbook
    path: public
    merge-multiple: false
    repository: pyhf/pyhf-tutorial
    run-id: 19842657394
  env:
    GITHUB_PAGES: true
Downloading single artifact
Error: Unable to download artifact(s): Artifact not found for name: jupyterbook
        Please ensure that your artifact is not expired and the artifact was uploaded using a compatible version of toolkit/upload-artifact.
        For more information, visit the GitHub Artifacts FAQ: https://github.com/actions/toolkit/blob/main/packages/artifact/docs/faq.md

[matthewfeickert]

Probably as the result of PR #106.