Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, hpi-swa/setup-smalltalkCI@v1, teatimeguest/setup-texlive-action@v2. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.