fix: documentation/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-AXIOS-12613773

Author: snyk-bot

documentation/package.json

@@ -9,8 +9,8 @@
     "deploy": "docusaurus deploy"
   },
   "dependencies": {
-    "@docusaurus/core": "^2.0.0-alpha.58",
-    "@docusaurus/preset-classic": "^2.0.0-alpha.58",
+    "@docusaurus/core": "^3.0.0",
+    "@docusaurus/preset-classic": "^3.0.0",
     "clsx": "^1.1.1",
     "react": "^16.8.4",
     "react-dom": "^16.8.4"