fix: add alias for deprecated Symfony Console add() method (#56488)

Author: KIKOmanasijev

src/Illuminate/Console/Application.php

@@ -209,6 +209,18 @@ public function output()
             : '';
     }
 
+    /**
+     * Alias for addCommand() since Symfony's add() method was deprecated.
+     *
+     * @param  \Symfony\Component\Console\Command\Command  $command
+     * @return \Symfony\Component\Console\Command\Command|null
+     */
+    #[\Override]
+    public function add(SymfonyCommand $command): ?SymfonyCommand
+    {
+        return $this->addCommand($command);
+    }
+
     /**
      * Add a command to the console.
      *