docs: fix dayjs updateLocale usage (#43250)

* fix：dayjs中没有updateLocale方法，直接使用local("zh-cn")

codesandbox中的示例也报错了。。找不到updateLocale方法

* Apply suggestions from code review

Signed-off-by: afc163 <afc163@gmail.com>

* Update index.en-US.md

---------

Signed-off-by: afc163 <afc163@gmail.com>
Co-authored-by: afc163 <afc163@gmail.com>

components/date-picker/index.en-US.md

@@ -248,8 +248,9 @@ Please use correct [language](/docs/react/i18n) ([#5605](https://github.com/ant-
 ```js
 import dayjs from 'dayjs';
 import 'dayjs/locale/zh-cn';
-import 'dayjs/plugin/updateLocale';
+import updateLocale from 'dayjs/plugin/updateLocale';
 
+dayjs.extend(updateLocale);
 dayjs.updateLocale('zh-cn', {
   weekStart: 0,
 });

components/date-picker/index.zh-CN.md

@@ -243,8 +243,10 @@ export type FormatType = Generic | GenericFn | Array<Generic | GenericFn>;
 ```js
 import dayjs from 'dayjs';
 import 'dayjs/locale/zh-cn';
-import 'dayjs/plugin/updateLocale';
 
+import updateLocale from 'dayjs/plugin/updateLocale';
+
+dayjs.extend(updateLocale);
 dayjs.updateLocale('zh-cn', {
   weekStart: 0,
 });