docs: Update index.en-US.md to tagRender (#42262)

* Update index.en-US.md to document tagRender

tagRender is currently available but not documented, so users do not know to use it.

* Update index.zh-CN.md

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Co-authored-by: lijianan <574980606@qq.com>

components/cascader/index.en-US.md

@@ -55,6 +55,7 @@ Cascade selection box.
 | defaultValue | Initial selected value | string\[] \| number\[] | \[] |  |
 | disabled | Whether disabled select | boolean | false |  |
 | displayRender | The render function of displaying selected options | (label, selectedOptions) => ReactNode | label => label.join(`/`) | `multiple`: 4.18.0 |
+| tagRender | Custom render function for tags in `multiple` mode | (label: string, onClose: function, value: string) => ReactNode | - |  |
 | popupClassName | The additional className of popup overlay | string | - | 4.23.0 |
 | dropdownRender | Customize dropdown content | (menus: ReactNode) => ReactNode | - | 4.4.0 |
 | expandIcon | Customize the current item expand icon | ReactNode | - | 4.4.0 |

components/cascader/index.zh-CN.md

@@ -56,6 +56,7 @@ demo:
 | defaultValue | 默认的选中项 | string\[] \| number\[] | \[] |  |
 | disabled | 禁用 | boolean | false |  |
 | displayRender | 选择后展示的渲染函数 | (label, selectedOptions) => ReactNode | label => label.join(`/`) | `multiple`: 4.18.0 |
+| tagRender | 自定义 tag 内容 render，仅在多选时生效 | ({ label: string, onClose: function, value: string }) => ReactNode | - | |
 | popupClassName | 自定义浮层类名 | string | - | 4.23.0 |
 | dropdownRender | 自定义下拉框内容 | (menus: ReactNode) => ReactNode | - | 4.4.0 |
 | expandIcon | 自定义次级菜单展开图标 | ReactNode | - | 4.4.0 |