Set lowest supported PHPStan version to 0.12.92, which fixed a bug causing the tests to fail.

Author: Stadly

composer.json

@@ -36,7 +36,7 @@
         "guzzlehttp/psr7": "^2.0",
         "pepakriz/phpstan-exception-rules": "^0.11.7",
         "php-parallel-lint/php-parallel-lint": "^1.3",
-        "phpstan/phpstan": "^0.12.88",
+        "phpstan/phpstan": "^0.12.92",
         "phpstan/phpstan-deprecation-rules": "^0.12.6",
         "phpstan/phpstan-phpunit": "^0.12.19",
         "phpstan/phpstan-strict-rules": "^0.12.9",