Update dependency highlight.js to v11

packages/webapp/public/98.css/package.json

@@ -32,9 +32,9 @@
     "ejs": "^3.0.2",
     "gh-pages": "^2.2.0",
     "glob": "^7.1.6",
-    "highlight.js": "^10.4.1",
+    "highlight.js": "^11.0.0",
     "live-server": "^1.2.1",
-    "mkdirp": "^3.0.0",
+    "mkdirp": "^1.0.4",
     "postcss": "^8.2.12",
     "postcss-calc": "^7.0.2",
     "postcss-copy": "^7.1.0",