Merge branch '7.0' into 7.1

* 7.0:
  List CS fix in .git-blame-ignore-revs
  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

Author: nicolas-grekas

TranslatableInterface.php

@@ -16,5 +16,5 @@
  */
 interface TranslatableInterface
 {
-    public function trans(TranslatorInterface $translator, string $locale = null): string;
+    public function trans(TranslatorInterface $translator, ?string $locale = null): string;
 }

TranslatorInterface.php

@@ -59,7 +59,7 @@ interface TranslatorInterface
      *
      * @throws \InvalidArgumentException If the locale contains invalid characters
      */
-    public function trans(string $id, array $parameters = [], string $domain = null, string $locale = null): string;
+    public function trans(string $id, array $parameters = [], ?string $domain = null, ?string $locale = null): string;
 
     /**
      * Returns the default locale.

TranslatorTrait.php

@@ -35,7 +35,7 @@ public function getLocale(): string
         return $this->locale ?: (class_exists(\Locale::class) ? \Locale::getDefault() : 'en');
     }
 
-    public function trans(?string $id, array $parameters = [], string $domain = null, string $locale = null): string
+    public function trans(?string $id, array $parameters = [], ?string $domain = null, ?string $locale = null): string
     {
         if (null === $id || '' === $id) {
             return '';