upd

composer.json

@@ -14,7 +14,8 @@
     "require": {
         "php" : ">=8.4",
         "slevomat/coding-standard": ">=8.23",
-        "squizlabs/php_codesniffer": "^4.0"
+        "squizlabs/php_codesniffer": "^4.0",
+        "dealerdirect/phpcodesniffer-composer-installer": "^1.2"
     },
     "support" : {
         "source": "https://git.1sept.ru/1sept/sept-coding-standard.git",
@@ -25,4 +26,4 @@
             "dealerdirect/phpcodesniffer-composer-installer": true
         }
     }
-}
+}

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "740fa72d0fbb610e313e50941ad1967d",
+    "content-hash": "7785cad4e5995df6e3182ded13da5a0d",
     "packages": [
         {
             "name": "dealerdirect/phpcodesniffer-composer-installer",
@@ -300,7 +300,9 @@
     "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": {},
+    "platform": {
+        "php": ">=8.4"
+    },
     "platform-dev": {},
     "plugin-api-version": "2.9.0"
 }