`aio app init` error in Windows 11

```sh
$ aio app init foo-bar
node:events:496
throw er; // Unhandled 'error' event
^

Error: spawn undefined\System32\WindowsPowerShell\v1.0\powershell ENOENT
at ChildProcess._handle.onexit (node:internal/child_process:285:19)
at onErrorNT (node:internal/child_process:483:16)
at process.processTicksAndRejections (node:internal/process/task_queues:90:21)
Emitted 'error' event on ChildProcess instance at:
at ChildProcess._handle.onexit (node:internal/child_process:291:12)
at onErrorNT (node:internal/child_process:483:16)
at process.processTicksAndRejections (node:internal/process/task_queues:90:21) {
errno: -4058,
code: 'ENOENT',
syscall: 'spawn undefined\\System32\\WindowsPowerShell\\v1.0\\powershell',
path: 'undefined\\System32\\WindowsPowerShell\\v1.0\\powershell',
spawnargs: [
'-NoProfile',
'-NonInteractive',
'–ExecutionPolicy',
'Bypass',
'-EncodedCommand',
'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'
]
}

Node.js v22.14.0
```

Related issue: https://github.com/adobe/aio-lib-ims-oauth/pull/81

Although when I print out both cases of env var SystemRoot, they are there:
```sh
$ echo $env:SystemRoot
C:\WINDOWS
$ echo $env:SYSTEMROOT
C:\WINDOWS
```