doc: add err param to fs.copyFile callback

PR-URL: #53234 Reviewed-By: LiviaMedeiros <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>

Author: F3n67u

doc/api/fs.md

@@ -2388,6 +2388,7 @@ changes:
 * `dest`{string|Buffer|URL} destination filename of the copy operation
 * `mode`{integer} modifiers for copy operation. **Default:** `0`.
 * `callback`{Function}
+ * `err`{Error}
 
 Asynchronously copies `src` to `dest`. By default, `dest` is overwritten if it
 already exists. No arguments other than a possible exception are given to the

lib/fs.js

@@ -2984,7 +2984,7 @@ function mkdtempSync(prefix, options){
  * @param{string | Buffer | URL} src
  * @param{string | Buffer | URL} dest
  * @param{number} [mode]
- * @param{() => any} callback
+ * @param{(err?: Error) => any} callback
  * @returns{void}
  */
 functioncopyFile(src,dest,mode,callback){