chore(deps): update dependency doctrine/instantiator to v2

Author: renovate[bot]

composer.json

@@ -17,7 +17,7 @@
     },
     "require-dev": {
         "codeception/specify": "^2.0.0",
-        "doctrine/instantiator": "^1.4",
+        "doctrine/instantiator": "^2.0",
         "ergebnis/composer-normalize": "^2.8",
         "php-parallel-lint/php-parallel-lint": "^1.2",
         "phpstan/phpstan": "^1",