Use CDN assets version of highlight.js.

Author: wildarch

package-lock.json

@@ -5,10 +5,10 @@
   },
   "dependencies": {
     "@codemirror/lint": "^6.9.2",
+    "@highlightjs/cdn-assets": "^11.11.1",
     "@replit/codemirror-vim": "^6.3.0",
     "codemirror": "^6.0.2",
     "codemirror-lang-graphalg": "^0.1.0",
-    "highlight.js": "^11.11.1",
     "katex": "^0.16.25",
     "vis-network": "^10.0.2"
   },