Use node:fs for copying files.

[desrosj]

Trac ticket: https://core.trac.wordpress.org/ticket/52668

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This Pull Request is for code review only. Please keep all other discussion in the Trac ticket. Do not merge this Pull Request. See GitHub Pull Requests for Code Review in the Core Handbook for more details.

[github-actions]

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Props desrosj, poena.

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[github-actions]

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[desrosj]

👋 @carolinan I added you as a reviewer because Andrea said you were the person having issues. Whenever you have a chance, could you please just give this PR a test to see if the issue is fixed?

[carolinan]

I can confirm that the docker containers start without problems when I use the command npm run env:start
Windows 11 Pro OS Version 22631.4317

[desrosj]

Thanks everyone. Merged in https://core.trac.wordpress.org/changeset/59249.