Update GH actions to use latest Node #5961
Description
We get a bunch of warnings, eg on https://github.com/reactjs/react.dev/actions/runs/4791495069.
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We get a bunch of warnings, eg on https://github.com/reactjs/react.dev/actions/runs/4791495069.