chore(deps): update dependency less to v4.6.6

Author: renovate[bot]

package.json

@@ -19,7 +19,7 @@
     "@vitejs/plugin-react": "6.0.2",
     "eslint": "10.5.0",
     "eslint-config-react-app": "7.0.1",
-    "less": "4.6.4",
+    "less": "4.6.6",
     "react": "19.2.7",
     "react-dom": "19.2.7",
     "react-markdown": "10.1.0",