Merge branch '4.4' into 5.0

* 4.4:
  [DI] auto-register singly implemented interfaces by default
  [DI] fix overriding existing services with aliases for singly-implemented interfaces
  remove service when base class is missing
  do not depend on the QueryBuilder from the ORM
  [Security/Http] call auth listeners/guards eagerly when they "support" the request
  [Messenger] add tests to FailedMessagesShowCommand
  Fix the translation commands when a template contains a syntax error
  [Security] Fix clearing remember-me cookie after deauthentication
  [Validator] Update Slovenian translations
  [HttpClient] remove conflict rule with HttpKernel that prevents using the component in Symfony 3.4
  [Config][ReflectionClassResource] Handle parameters with undefined constant as their default values
  fix dumping number-like string parameters
  Fix CI
  [Console] Fix autocomplete multibyte input support
  [Config] don't break on virtual stack frames in ClassExistenceResource
  more robust initialization from request
  Changing the multipart form-data behavior to use the form name as an array, which makes it recognizable as an array by PHP on the $_POST globals once it is coming from the HttpClient component

Author: nicolas-grekas

composer.json

@@ -37,9 +37,6 @@
         "symfony/service-contracts": "^1.0|^2",
         "symfony/var-dumper": "^4.4|^5.0"
     },
-    "conflict": {
-        "symfony/http-kernel": "<4.4"
-    },
     "autoload": {
         "psr-4": { "Symfony\\Component\\HttpClient\\": "" },
         "exclude-from-classmap": [