test: replace forEach() in test-net-perf_hooks with for of

PR-URL: nodejs#49831
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Joe Sepi <sepi@joesepi.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>

test/parallel/test-net-perf_hooks.js

@@ -49,12 +49,12 @@ obs.observe({ type: 'net' });
 
 process.on('exit', () => {
   assert.strictEqual(entries.length, 1);
-  entries.forEach((entry) => {
+  for (const entry of entries) {
     assert.strictEqual(entry.name, 'connect');
     assert.strictEqual(entry.entryType, 'net');
     assert.strictEqual(typeof entry.startTime, 'number');
     assert.strictEqual(typeof entry.duration, 'number');
     assert.strictEqual(!!entry.detail.host, true);
     assert.strictEqual(!!entry.detail.port, true);
-  });
+  }
 });