Issue #3437409: Don't allow core updates in automatic_updates_extensions- phpcs fix

automatic_updates_extensions/tests/src/Kernel/Validator/ForbidCoreChangesValidatorTest.php

@@ -23,7 +23,7 @@ class ForbidCoreChangesValidatorTest extends AutomaticUpdatesExtensionsKernelTes
    *   removed in the stage.
    * @param string[][] $new_packages
    *   An array of the new packages to add to the stage.
-   * @param ValidationResult[] $expected_results
+   * @param \Drupal\package_manager\ValidationResult[] $expected_results
    *   The expected validation results.
    *
    * @dataProvider providerTestErrorMessage