fix: path to php-cs-fixer.php config in playground

Author: norberttech

web/landing/templates/playground/index.html.twig

@@ -16,7 +16,7 @@
     'tools/flow.phar': asset('wasm/tools/flow.phar'),
     'tools/php-cs-fixer.phar': asset('wasm/tools/php-cs-fixer.phar'),
     'vendor/autoload.php': asset('wasm/vendor/autoload.php.wasm'),
-    '.php-cs-fixer.php': asset('wasm/php-cs-fixer.php.wasm'),
+    '.php-cs-fixer.php': asset('wasm/phpcsfixer.php.wasm'),
     'bin/cs-fixer.php': asset('wasm/bin/cs-fixer.php.wasm'),
     'data/orders.xml': asset('wasm/data/orders.xml'),
     'data/orders.json': asset('wasm/data/orders.json'),