warning method
Implementation
void warning(String message, {bool label = true, bool dryRun = false}) {
final labelColor =
dryRun ? dryRunWarningLabelColor : dryRunWarningMessageColor;
final messageColor =
dryRun ? dryRunWarningMessageColor : warningMessageColor;
if (label) {
stdout('$warningLabel${labelColor(':')} $message');
} else {
stdout(messageColor(message));
}
}