34569: Fix Magento OS codebase for Integration Tests to be compatible with PHP 8.1

- fix for static test

Author: xmav

lib/internal/Magento/Framework/Data/Collection.php

@@ -21,9 +21,9 @@
  */
 class Collection implements \IteratorAggregate, \Countable, ArrayInterface, CollectionDataSourceInterface
 {
-    const SORT_ORDER_ASC = 'ASC';
+    public const SORT_ORDER_ASC = 'ASC';
 
-    const SORT_ORDER_DESC = 'DESC';
+    public const SORT_ORDER_DESC = 'DESC';
 
     /**
      * Collection items