Ensure GITHUB_TOKEN has permission "id-token: write".

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@c0a81a463886bb75afe234e07a9fd5bb79219196, r-lib/actions/setup-pandoc@52330cc136b963487918a8867f948ddf954e9e63, r-lib/actions/setup-r@52330cc136b963487918a8867f948ddf954e9e63, actions/cache@v3, actions/upload-artifact@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "github-pages". 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/