No url found for submodule path 'extern/MVDream' in .gitmodules

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

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/