[KYUUBI #6658] [DOCS] Fixed typo in REST API docs

# 🔍 Description
## Issue References 🔗

## Describe Your Solution 🔧

- fix the typo in REST API docs

## Types of changes 🔖

- [x] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)

## Test Plan 🧪

#### Behavior Without This Pull Request ⚰️

#### Behavior With This Pull Request 🎉

#### Related Unit Tests

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# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes #6658 from pionCham/fix-typos.

Closes #6658

e8937f1 [chengpeiming] Fixed typos in rest_api.md

Authored-by: chengpeiming <[email protected]>
Signed-off-by: liangbowen <[email protected]>

docs/client/rest/rest_api.md

@@ -392,7 +392,7 @@ curl --location --request POST 'http://localhost:10099/api/v1/batches' \
 
 | Name         | Description                                                                                       | Media Type       |
 |:-------------|:--------------------------------------------------------------------------------------------------|:-----------------|
-| batchRequest | The batch request in JSON format as request body requried in [POST /batches](#post-batches)       | application/json |
+| batchRequest | The batch request in JSON format as request body required in [POST /batches](#post-batches)       | application/json |
 | resourceFile | The resource to upload and execute, which will be cached on server and cleaned up after execution | File             |
 
 #### Response Body