docs: add quarterOfYear, close #6508

site/src/vueDocs/introduce.en-US.md

@@ -78,6 +78,7 @@ Like:
 <script src="https://unpkg.com/dayjs/plugin/weekOfYear.js"></script>
 <script src="https://unpkg.com/dayjs/plugin/weekYear.js"></script>
 <script src="https://unpkg.com/dayjs/plugin/advancedFormat.js"></script>
+<script src="https://unpkg.com/dayjs/plugin/quarterOfYear.js"></script>
 ```
 
 ## Usage

site/src/vueDocs/introduce.zh-CN.md

@@ -78,6 +78,7 @@ $ yarn add ant-design-vue
 <script src="https://unpkg.com/dayjs/plugin/weekOfYear.js"></script>
 <script src="https://unpkg.com/dayjs/plugin/weekYear.js"></script>
 <script src="https://unpkg.com/dayjs/plugin/advancedFormat.js"></script>
+<script src="https://unpkg.com/dayjs/plugin/quarterOfYear.js"></script>
 ```
 
 ## 示例