Merge branch '6.4' into 7.0

* 6.4:
  fix tests
  Fix broken link

Author: xabbuh

README.md

@@ -17,4 +17,4 @@ Resources
    [send Pull Requests](https://github.com/symfony/symfony/pulls)
    in the [main Symfony repository](https://github.com/symfony/symfony)
 
-[3]: https://symfony.com/sponsor
+[1]: https://symfony.com/sponsor