Node.js 16 actions are deprecated - Update actions to use Node.js 20

[cmarteepants]

I created a new project and deployed example dags. Saw the following warning in the github action logs:

build
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/.

[joeknize-bc]

I see this is marked as closed since a PR got merged a few weeks ago, but I'm still seeing the original issue. What's the timeline for this being available for use?

[adriaanbalt]

I am also still seeing this issue, even after using uses: actions/checkout@v4