Fix devcontainer

[JanOlencki]

Pre-flight checklist

• I have read the Contributing Guidelines on pull requests.
• If this is a code change: I have written unit tests and/or added dogfooding pages to fully verify the new behavior.
• If this is a new API or substantial change: the PR has an accompanying issue (closes #0000) and the maintainers have approved on my working plan.

Motivation

The devcontainer doesn't work properly. It halts on a prompt asking for a confirmation. Also the version of Node.JS is a bit out-of-date.

The former error looks as following:

! Corepack is about to download https://registry.yarnpkg.com/yarn/-/yarn-1.22.22.tgz
? Do you want to continue? [Y/n]

The latter error is:

error create-docusaurus@3.10.1: The engine "node" is incompatible with this module. Expected version ">=24.14". Got "22.22.2"

You can reproduce it locally by executing devcontainer up --workspace-folder . or in a browser by creating Codespace.

Test Plan

I haven't found an automatic test of the devcontainer. I think manual testing is sufficient here. I have tested it both locally and in Codespace.

Test links

GitHub Codespaces docs

Related issues/PRs

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