doc: fix typo in cjs example of util.styleText

`errorMessage` needs to be printed instead of `successMessage` in console.error(). ESM example is only fixed in previous PR. Refs: #56720 PR-URL: #56769 Reviewed-By: Ulises Gascón <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Jason Zhang <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: deokjinkim

doc/api/util.md

@@ -1982,7 +1982,7 @@ const errorMessage = styleText(
 // Validate if process.stderr has TTY
 {stream: stderr },
 );
-console.error(successMessage);
+console.error(errorMessage);
 ```
 
 `util.inspect.colors` also provides text formats such as `italic`, and