Merge branch '4.4' into 5.3

* 4.4:
  Bump license year
  [HttpClient] Turn negative timeout to a very long timeout
  Features goes to 6.x branch
  [Validator] throw when Constraint::_construct() has not been called
  Bump Symfony version to 4.4.37
  Update VERSION for 4.4.36
  Update CONTRIBUTORS for 4.4.36
  Update CHANGELOG for 4.4.36
  Allow symfony/runtime plugin

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2016-2021 Fabien Potencier
+Copyright (c) 2016-2022 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal