upgrade demo to docusaurus 3.3.2 (#822)

Author: sserrata

demo/package.json

@@ -21,9 +21,9 @@
     "re-gen": "yarn clean-all && yarn gen-all"
   },
   "dependencies": {
-    "@docusaurus/core": "3.1.1",
-    "@docusaurus/plugin-google-gtag": "3.1.1",
-    "@docusaurus/preset-classic": "3.1.1",
+    "@docusaurus/core": "3.3.2",
+    "@docusaurus/plugin-google-gtag": "3.3.2",
+    "@docusaurus/preset-classic": "3.3.2",
     "clsx": "^1.1.1",
     "docusaurus-plugin-openapi-docs": "^3.0.0-beta.10",
     "docusaurus-theme-openapi-docs": "^3.0.0-beta.10",