docs: add table rowScope (#39686)

* Update index.zh-CN.md

* Update index.en-US.md

components/table/index.en-US.md

@@ -183,7 +183,8 @@ One of the Table `columns` prop for describing the table's columns, Column has t
 | fixed | (IE not support) Set column to be fixed: `true`(same as left) `'left'` `'right'` | boolean \| string | false |  |
 | key | Unique key of this column, you can ignore this prop if you've set a unique `dataIndex` | string | - |  |
 | render | Renderer of the table cell. The return value should be a ReactNode | function(text, record, index) {} | - |  |
-| responsive | The list of breakpoints at which to display this column. Always visible if not set. | [Breakpoint](https://github.com/ant-design/ant-design/blob/015109b42b85c63146371b4e32b883cf97b088e8/components/_util/responsiveObserve.ts#L1)\[] | - | 4.2.0 |
+| responsive | The list of breakpoints at which to display this column. Always visible if not set | [Breakpoint](https://github.com/ant-design/ant-design/blob/015109b42b85c63146371b4e32b883cf97b088e8/components/_util/responsiveObserve.ts#L1)\[] | - | 4.2.0 |
+| rowScope | Set scope attribute for all cells in this column | `row` \| `rowgroup` | - | 5.1.0 |
 | shouldCellUpdate | Control cell render logic | (record, prevRecord) => boolean | - | 4.3.0 |
 | showSorterTooltip | If header show next sorter direction tooltip, override `showSorterTooltip` in table | boolean \| [Tooltip props](/components/tooltip/) | true |  |
 | sortDirections | Supported sort way, override `sortDirections` in `Table`, could be `ascend`, `descend` | Array | \[`ascend`, `descend`] |  |

components/table/index.zh-CN.md

@@ -186,6 +186,7 @@ const columns = [
 | key | React 需要的 key，如果已经设置了唯一的 `dataIndex`，可以忽略这个属性 | string | - |  |
 | render | 生成复杂数据的渲染函数，参数分别为当前行的值，当前行数据，行索引 | function(text, record, index) {} | - |  |
 | responsive | 响应式 breakpoint 配置列表。未设置则始终可见。 | [Breakpoint](https://github.com/ant-design/ant-design/blob/015109b42b85c63146371b4e32b883cf97b088e8/components/_util/responsiveObserve.ts#L1)\[] | - | 4.2.0 |
+| rowScope | 设置列范围 | `row` \| `rowgroup` | - | 5.1.0 |
 | shouldCellUpdate | 自定义单元格渲染时机 | (record, prevRecord) => boolean | - | 4.3.0 |
 | showSorterTooltip | 表头显示下一次排序的 tooltip 提示, 覆盖 table 中 `showSorterTooltip` | boolean \| [Tooltip props](/components/tooltip-cn/#API) | true |  |
 | sortDirections | 支持的排序方式，覆盖 `Table` 中 `sortDirections`， 取值为 `ascend` `descend` | Array | \[`ascend`, `descend`] |  |