chore(deps): pin dependency @kkt/loader-raw to 5.8.0

Author: renovate-bot

package.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "@kkt/loader-less": "5.8.0",
-    "@kkt/loader-raw": "^5.8.0",
+    "@kkt/loader-raw": "5.8.0",
     "@types/codemirror": "0.0.91",
     "@uiw/react-github-corners": "1.1.3",
     "@uiw/react-markdown-preview": "1.0.3",