Within a custom publisher, a promise-based zip function does not complete

### Pre-flight checklist

- [x] I have read the [contribution documentation](https://github.com/electron/forge/blob/main/CONTRIBUTING.md) for this project.
- [x] I agree to follow the [code of conduct](https://github.com/electron/electron/blob/main/CODE_OF_CONDUCT.md) that this project uses.
- [x] I have searched the issue tracker for a bug that matches the one I want to file, without success.

### Forge version

7.5.0

### Electron version

24.1.1

### Operating system

macOS 11.3

### Last known working Forge version

_No response_

### Expected behavior

The function below is called in the `publish` method of our custom publisher (using `await`):

```async function zipDirectory(sourceDir, outPath) {
const archiver = require('archiver');
const archive = archiver('zip');
const stream = createWriteStream(outPath);

return new Promise((resolve, reject) => {
archive
.directory(sourceDir, false)
.on('error', err => reject(err))
.pipe(stream);

stream.on('close', () => {
Log.debug(`App zipped: ${outPath} (${(archive.pointer()/1024/1024).toFixed(2)})MB`)
resolve()
});
archive.finalize();
});
}
```

But where it worked before inside of a postMake hook in forge.config.js, it doesn't work in this publisher. It just times out.

### Actual behavior

The function `zipDirectory` above never returns.

### Steps to reproduce

As posted above

### Additional information

_No response_