No url found for submodule path 'catalystbook/01-hub-activity' in .gitmodules

The process '/usr/bin/git' failed with exit code 128

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.