Upgrade doctrine/coding-standard (#1187)

Author: OskarStark

composer.json

@@ -20,7 +20,7 @@
         "symfony/polyfill-php81": "^1.27"
     },
     "require-dev": {
-        "doctrine/coding-standard": "^11.1",
+        "doctrine/coding-standard": "^12.0",
         "rector/rector": "^0.16.0",
         "squizlabs/php_codesniffer": "^3.7",
         "symfony/phpunit-bridge": "^5.2",