Composer: Update Netter Tester 2.4.3 (PHP 8.2 compat)

Author: jakubboucek

composer.json

@@ -25,7 +25,7 @@
     },
     "require-dev": {
         "firebase/php-jwt": "^5.0 || ^6.0",
-        "nette/tester": "2.4.2",
+        "nette/tester": "2.4.3",
         "phpstan/phpstan": "1.9.14"
     },
     "suggest": {