error validating openapi: error running speakeasy command: speakeasy validate openapi -s /github/workspace/repo/openapi.yaml --max-validation-warnings 1000 --max-validation-errors 1000 - exit status 1

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