Update docusaurus version

Author: TharukaCkasthuri

docs/package.json

@@ -14,8 +14,8 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "2.4.0",
-    "@docusaurus/preset-classic": "2.4.0",
+    "@docusaurus/core": "3.1.1",
+    "@docusaurus/preset-classic": "3.1.1",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",
     "docusaurus-lunr-search": "^2.3.2",