Gitpages workflow deploy warning #35
Description
should fix I guess
[build](https://github.com/NewGraphEnvironment/newgraphenvironment.github.io/actions/runs/7770692776/job/21191167482)
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/.
