fix: site2/website-next/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-DIFF-14917201

Author: snyk-bot

site2/website-next/package.json

@@ -30,11 +30,11 @@
     "clsx": "^1.1.1",
     "file-loader": "^6.2.0",
     "install": "^0.13.0",
-    "npm": "^8.1.3",
+    "npm": "^11.0.0",
     "prism-react-renderer": "^1.2.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "react-markdown": "^7.1.1",
+    "react-markdown": "^9.0.0",
     "react-md-file": "^2.0.0",
     "react-svg": "^14.1.5",
     "remark-linkify-regex": "^1.0.0",