Update dependency infection/infection to ^0.31.0

| datasource | package             | from    | to     |
| ---------- | ------------------- | ------- | ------ |
| packagist  | infection/infection | 0.29.14 | 0.31.2 |


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

Author: renovate[bot]

composer.json

@@ -27,7 +27,7 @@
     "symfony/type-info": "^7.3.0"
   },
   "require-dev": {
-    "infection/infection": "^0.29.10",
+    "infection/infection": "^0.31.0",
     "patchlevel/coding-standard": "^1.3.0",
     "phpbench/phpbench": "^1.2.15",
     "phpstan/phpstan": "^2.1.0",