chore(deps): update dependency squizlabs/php_codesniffer to v4

Author: renovate[bot]

helpers/libs/plugnmeet-sdk-php/composer.json

@@ -28,6 +28,6 @@
   },
   "require-dev": {
     "overtrue/phplint": "^3.0",
-    "squizlabs/php_codesniffer": "3.*"
+    "squizlabs/php_codesniffer": "4.*"
   }
 }