feat(docs): uplift Docusaurus to v3 (#28345)

Signed-off-by: hainenber <dotronghai96@gmail.com>

docs/docs/api.mdx

@@ -4,8 +4,7 @@ hide_title: true
 sidebar_position: 10
 ---
 
-import { Buffer } from 'buffer';
-global.Buffer = Buffer;
+import { Buffer } from 'buffer/index.js';
 import SwaggerUI from 'swagger-ui-react';
 import openapi from '/resources/openapi.json';
 import 'swagger-ui-react/swagger-ui.css';