fix: Upgrade @eslint/css-tree (#243)

Author: nzakas

package.json

@@ -85,7 +85,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@eslint/core": "^0.15.2",
-    "@eslint/css-tree": "^3.6.3",
+    "@eslint/css-tree": "^3.6.5",
     "@eslint/plugin-kit": "^0.3.5"
   },
   "devDependencies": {