chore: Update dependency phpstan/phpstan to ^2.1.12 (#355)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

composer.json

@@ -47,7 +47,7 @@
         "doctrine/orm": "~2.14||~3.0",
         "ekino/phpstan-banned-code": "^3.0",
         "friendsofphp/php-cs-fixer": "^3.75.0",
-        "phpstan/phpstan": "^2.1.11",
+        "phpstan/phpstan": "^2.1.12",
         "phpstan/phpstan-deprecation-rules": "^2.0.1",
         "phpstan/phpstan-doctrine": "^2.0.2",
         "phpstan/phpstan-phpunit": "^2.0.6",