docs: update docs for req id (#20210)

docs/en/14-reference/02-rest-api/02-rest-api.mdx

@@ -68,7 +68,7 @@ The following return value results indicate that the verification passed.
 ## HTTP request URL format
 
 ```text
-http://<fqdn>:<port>/rest/sql/[db_name][?tz=timezone]
+http://<fqdn>:<port>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 Parameter Description:
@@ -77,6 +77,7 @@ Parameter Description:
 - port: httpPort configuration item in the configuration file, default is 6041.
 - db_name: Optional parameter that specifies the default database name for the executed SQL command.
 - tz: Optional parameter that specifies the timezone of the returned time, following the IANA Time Zone rules, e.g. `America/New_York`.
+- req_id: Optional parameter that specifies the request id for tracing.
 
 For example, `http://h1.taos.com:6041/rest/sql/test` is a URL to `h1.taos.com:6041` and sets the default database name to `test`.
 
@@ -99,13 +100,13 @@ The HTTP request's BODY is a complete SQL command, and the data table in the SQL
 Use `curl` to initiate an HTTP request with a custom authentication method, with the following syntax.
 
 ```bash
-curl -L -H "Authorization: Basic <TOKEN>" -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone]
+curl -L -H "Authorization: Basic <TOKEN>" -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 or
 
 ```bash
-curl -L -u username:password -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone]
+curl -L -u username:password -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 where `TOKEN` is the string after Base64 encoding of `{username}:{password}`, e.g. `root:taosdata` is encoded as `cm9vdDp0YW9zZGF0YQ==`..

docs/zh/08-connector/02-rest-api.mdx

@@ -69,7 +69,7 @@ curl -L -H "Authorization: Basic cm9vdDp0YW9zZGF0YQ==" \
 ## HTTP 请求格式
 
 ```text
-http://<fqdn>:<port>/rest/sql/[db_name][?tz=timezone]
+http://<fqdn>:<port>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 参数说明：
@@ -78,6 +78,7 @@ http://<fqdn>:<port>/rest/sql/[db_name][?tz=timezone]
 - port: 配置文件中 httpPort 配置项，缺省为 6041。
 - db_name: 可选参数，指定本次所执行的 SQL 语句的默认数据库库名。
 - tz: 可选参数，指定返回时间的时区，遵照 IANA Time Zone 规则，如 `America/New_York`。
+- req_id: 可选参数，指定请求 id，可以用于 tracing。
 
 例如：`http://h1.taos.com:6041/rest/sql/test` 是指向地址为 `h1.taos.com:6041` 的 URL，并将默认使用的数据库库名设置为 `test`。
 
@@ -100,13 +101,13 @@ HTTP 请求的 BODY 里就是一个完整的 SQL 语句，SQL 语句中的数据
 使用 `curl` 通过自定义身份认证方式来发起一个 HTTP Request，语法如下：
 
 ```bash
-curl -L -H "Authorization: Basic <TOKEN>" -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone]
+curl -L -H "Authorization: Basic <TOKEN>" -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 或者，
 
 ```bash
-curl -L -u username:password -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone]
+curl -L -u username:password -d "<SQL>" <ip>:<PORT>/rest/sql/[db_name][?tz=timezone[&req_id=req_id]]
 ```
 
 其中，`TOKEN` 为 `{username}:{password}` 经过 Base64 编码之后的字符串，例如 `root:taosdata` 编码后为 `cm9vdDp0YW9zZGF0YQ==`。