Issue #3358319: Update to PHPUnit 9.6.13 and replace deprecated assertObject[Not]HasAttribute()

composer/Metapackage/DevDependencies/composer.json

@@ -21,7 +21,7 @@
         "phpstan/extension-installer": "^1.1",
         "phpstan/phpstan": "^1.10.1",
         "phpstan/phpstan-phpunit": "^1.3.11",
-        "phpunit/phpunit": "^9.5",
+        "phpunit/phpunit": "^9.6.13",
         "symfony/browser-kit": "^6.3",
         "symfony/css-selector": "^6.3",
         "symfony/dom-crawler": "^6.3",