lib: added common.restoreStderr(); to end of file

Fixes: #22472
Co-authored-by: Denys Otrishko <shishugi@gmail.com>

PR-URL: #22487
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>

test/parallel/test-util-log.js

@@ -25,6 +25,7 @@ const {
   hijackStdout,
   hijackStderr,
   restoreStdout,
+  restoreStderr,
 } = require('../common/hijackstdio');
 const assert = require('assert');
 const util = require('util');
@@ -63,3 +64,4 @@ tests.forEach(function(test) {
 assert.strictEqual(process.stdout.writeTimes, tests.length);
 
 restoreStdout();
+restoreStderr();