Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: llvm/actions/install-ninja@6a57890d0e3f9f35dfc72e7e48bc5e1e527cdd6c. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.