chore(deps): update dependency @kkt/loader-less to v5.9.0

Author: renovate-bot

package-lock.json

@@ -45,7 +45,7 @@
     "extends": "react-app"
   },
   "devDependencies": {
-    "@kkt/loader-less": "5.8.0",
+    "@kkt/loader-less": "5.9.0",
     "@kkt/loader-raw": "5.9.0",
     "@types/codemirror": "0.0.91",
     "@uiw/react-github-corners": "1.2.0",