Merge branch '6.3' into 6.4

* 6.3:
  Update cache.rst

Author: OskarStark

cache.rst

@@ -315,7 +315,7 @@ with either :class:`Symfony\\Contracts\\Cache\\CacheInterface` or
     }
 
     // in a service
-    public function __construct(CacheInterface $customThingCache)
+    public function __construct(private CacheInterface $customThingCache)
     {
         // ...
     }