chore(deps): update dependency brainbits/phpcs-standard to v8

Author: renovate[bot]

composer.json

@@ -23,7 +23,7 @@
         "phpstan/phpstan": "^2.0"
     },
     "require-dev": {
-        "brainbits/phpcs-standard": "^7.0",
+        "brainbits/phpcs-standard": "^8.0",
         "php-coveralls/php-coveralls": "^2.0",
         "phpstan/phpstan-phpunit": "^2.0",
         "phpunit/phpunit": "^11.0"