Merge branch '6.3' into 6.4

* 6.3: fix enum name

Author: xabbuh

configuration/env_var_processors.rst

@@ -746,7 +746,7 @@ Symfony provides the following env var processors:
  This processor takes the fully qualified name of the ``\BackedEnum`` as an argument::
 
  // App\Enum\Suit.php
- enum Environment: string
+ enum Suit: string
  {
  case Clubs = 'clubs';
  case Spades = 'spades';