Merge branch '6.4' into 7.0

* 6.4:
  Fix implicitly-required parameters
  minor #53524 [Messenger] [AmazonSqs] Allow `async-aws/sqs` version 2 (smoench)
  Fix bad merge
  List CS fix in .git-blame-ignore-revs
  Fix implicitly-required parameters
  List CS fix in .git-blame-ignore-revs
  Apply php-cs-fixer fix --rules nullable_type_declaration_for_default_null_value
  [Messenger][AmazonSqs] Allow async-aws/sqs version 2

Tests/LokaliseProviderTest.php

@@ -31,7 +31,7 @@
 
 class LokaliseProviderTest extends ProviderTestCase
 {
-    public static function createProvider(HttpClientInterface $client, LoaderInterface $loader, LoggerInterface $logger, string $defaultLocale, string $endpoint, TranslatorBagInterface $translatorBag = null): ProviderInterface
+    public static function createProvider(HttpClientInterface $client, LoaderInterface $loader, LoggerInterface $logger, string $defaultLocale, string $endpoint, ?TranslatorBagInterface $translatorBag = null): ProviderInterface
     {
         return new LokaliseProvider($client, $loader, $logger, $defaultLocale, $endpoint);
     }