runIntl method
Implementation
@protected
Future<ProcessResult> runIntl(String cmd, List<String> arguments,
{String? workingDir, bool prependWithPubGet = false}) async {
final packageName = await _getIntlGeneratorPackageName();
return flutter.runPub('$packageName:$cmd', arguments,
workingDir: workingDir, prependWithPubGet: prependWithPubGet);
}