Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: aws-actions/configure-aws-credentials@v1, actions/checkout@v3, dafny-lang/setup-dafny-action@v1.7.0, actions/setup-python@v4, actions/setup-java@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: aws-actions/configure-aws-credentials@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/