Merge pull request php-school#265 from php-school/php8.2

Remove dead code

src/Builder/CliMenuBuilder.php

@@ -272,7 +272,7 @@ private function extractShortcut(string $title) : ?string
             throw InvalidShortcutException::fromShortcut($match[1]);
         }
 
-        return isset($match[1]) ? strtolower($match[1]) : null;
+        return strtolower($match[1]);
     }
 
     private function processItemShortcut(MenuItemInterface $item) : void