Rename namespace from Console to Concurrency and apply PSR standards (#53306)

Author: saMahmoudzadeh

tests/Integration/Concurrency/ConcurrencyTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Illuminate\Tests\Integration\Console;
+namespace Illuminate\Tests\Integration\Concurrency;
 
 use Orchestra\Testbench\TestCase;
 use PHPUnit\Framework\Attributes\RequiresOperatingSystem;