test: version check to pass with Node 22

[AriPerkkio]

Verify node --version returns any v2x version.

We are running this repository against Vitest main in Vitest Ecosystem CI due to complex usage of Vitest Browser mode:

• https://github.com/vitest-dev/vitest-ecosystem-ci/actions/runs/23387710179/job/68037312965

   ×  Chromium  test/run-command.test.ts > user can run commands inside webcontainer
     → expected 'v22.22.0' to contain 'v20' ❌ 

[pkg-pr-new]

Open in StackBlitz

npm i https://pkg.pr.new/@webcontainer/test@22

commit: 9331d9b

[AriPerkkio]

cc. @SamVerschueren 👋