chore(deps): require slevomat/coding-standard v8.12 (#122)

Author: simPod

composer.json

@@ -16,7 +16,7 @@
     "require": {
         "php": "^8.1",
         "doctrine/coding-standard": "^12.0",
-        "slevomat/coding-standard": "^8.11"
+        "slevomat/coding-standard": "^8.12"
     },
     "require-dev": {
         "phpstan/extension-installer": "^1.2",