chore(deps): update dependency phpstan/phpstan to v1.12.3

Author: renovate[bot]

composer.json

@@ -29,7 +29,7 @@
         "infection/infection": "^0.29.0",
         "kwn/php-rdkafka-stubs": "^2.0",
         "phpstan/extension-installer": "^1.1",
-        "phpstan/phpstan": "1.12.2",
+        "phpstan/phpstan": "1.12.3",
         "phpstan/phpstan-phpunit": "1.4.0",
         "phpstan/phpstan-strict-rules": "1.6.0",
         "phpunit/phpunit": "^11.0",