Merge branch '6.4' into 7.0

* 6.4:
  [HttpClient][Mailer] Revert "Let curl handle transfer encoding", use HTTP/1.1 for Mailgun
  Reviewed Catalan missing translations
  [AssetMapper] Upgrade importmap polyfill
  Fix typo: synchronous -> synchronously
  [Serializer] Check if exception message in test is correct
  Ibexa is sponsoring Symfony 5.4, thanks to them! \o/
  [VarDumper] Fix `FFICaster` test to be platform-adaptable
  [String] Add `alias` case to `EnglishInflector`
  [FrameworkBundle] Throw runtime exception when trying to use asset-mapper while http-client is disabled
  [SecurityBundle] Remove unused memory users’ `name` attribute from the XSD
  [VarExporter] generate __doUnserialize() method in ProxyHelper::generateLazyProxy()
  Double check if pcntl function exists
  Add additional headers in Scaleway bridge
  [VarDumper] Fix FFI caster test
  [DependencyInjection] Add test coverage for `AutowireCallable::buildDefinition()`

Author: nicolas-grekas

Inflector/EnglishInflector.php

@@ -289,6 +289,9 @@ final class EnglishInflector implements InflectorInterface
         // atlases (atlas)
         ['salta', 5, true, true, 'atlases'],
 
+        // aliases (alias)
+        ['saila', 5, true, true, 'aliases'],
+
         // irises (iris)
         ['siri', 4, true, true, 'irises'],
 

Tests/Inflector/EnglishInflectorTest.php

@@ -317,6 +317,7 @@ public static function pluralizeProvider()
             ['hippocampus', 'hippocampi'],
             ['campus', 'campuses'],
             ['hardware', 'hardware'],
+            ['alias', 'aliases'],
 
             // test casing: if the first letter was uppercase, it should remain so
             ['Man', 'Men'],