minor #22818 [DependencyInjection] prepare for signature change in 4.0 (xabbuh)

This PR was submitted for the 3.4 branch but it was merged into the 3.3 branch instead (closes #22818).

Discussion
----------

[DependencyInjection] prepare for signature change in 4.0

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

see failing tests in #22785

Commits
-------

c4b6e20 [DI] prepare for signature change in 4.0

Author: nicolas-grekas

LazyProxy/PhpDumper/NullDumper.php

@@ -17,6 +17,8 @@
  * Null dumper, negates any proxy code generation for any given service definition.
  *
  * @author Marco Pivetta <[email protected]>
+ *
+ * @final since version 3.3
  */
 class NullDumper implements DumperInterface
 {
@@ -31,7 +33,7 @@ public function isProxyCandidate(Definition $definition)
     /**
      * {@inheritdoc}
      */
-    public function getProxyFactoryCode(Definition $definition, $id)
+    public function getProxyFactoryCode(Definition $definition, $id, $methodName = null)
     {
         return '';
     }

Tests/Fixtures/includes/classes.php

@@ -88,7 +88,7 @@ public function isProxyCandidate(Definition $definition)
         return false;
     }
 
-    public function getProxyFactoryCode(Definition $definition, $id)
+    public function getProxyFactoryCode(Definition $definition, $id, $methodName = null)
     {
         return '';
     }