minor symfony#59182 [PropertyInfo] Fix generic enum type extraction test (mtarld)

This PR was merged into the 7.1 branch.

Discussion
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[PropertyInfo] Fix generic enum type extraction test

| Q             | A
| ------------- | ---
| Branch?       | 7.1
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Fix test about generic enum type extraction

Commits
-------

9005f25 [PropertyInfo] Fix generic enum test

Author: xabbuh

src/Symfony/Component/PropertyInfo/Tests/Extractor/PhpStanExtractorTest.php

@@ -1043,7 +1043,7 @@ public static function allowPrivateAccessProvider(): array
     public function testGenericInterface()
     {
         $this->assertEquals(
-            Type::generic(Type::object(\BackedEnum::class), Type::string()),
+            Type::generic(Type::enum(\BackedEnum::class), Type::string()),
             $this->extractor->getType(Dummy::class, 'genericInterface'),
         );
     }