Merge branch '7.1' into 7.2

* 7.1:
  remove constructor argument type-hint

Author: xabbuh

src/Symfony/Component/Mime/RawMessage.php

@@ -24,7 +24,7 @@ class RawMessage
      * @param iterable<string>|string|resource $message
      */
     public function __construct(
-        private mixed $message,
+        private $message,
     ) {
     }