chore(deps): update dependency @eslint/css to v1

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@eslint/compat": "2.0.3",
-    "@eslint/css": "0.14.1",
+    "@eslint/css": "1.0.0",
     "@eslint/js": "9.39.4",
     "@html-eslint/eslint-plugin": "0.58.1",
     "@stylistic/eslint-plugin": "5.10.0",