Update infection to version 0.31

Author: SenseException

composer.json

@@ -24,7 +24,7 @@
     "require-dev": {
         "phpunit/phpunit": "^11.5",
         "phpstan/phpstan": "^2.1",
-        "infection/infection": "^0.29.10",
+        "infection/infection": "^0.31.1",
         "doctrine/coding-standard": "^13.0",
         "squizlabs/php_codesniffer": "^3.12",
         "phpstan/phpstan-strict-rules": "^2.0",