[TOOLS][CS-FIXER] Run new PHP CS Fixer config. Notably, adds strict_types

src/Routes/Main.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types = 1);
+
 // {{{ License
 
 // This file is part of GNU social - https://www.gnu.org/software/social
@@ -41,7 +43,7 @@ use Symfony\Bundle\FrameworkBundle\Controller\RedirectController;
 
 abstract class Main
 {
-    const LOAD_ORDER = 10;
+    public const LOAD_ORDER = 10;
 
     public static function load(RouteLoader $r): void
     {