[new feature] Tab: add line height prop (#2357)

packages/tab/en-US.md

@@ -155,6 +155,7 @@ In swipeable mode, you can switch tabs with swipe gestrue in the content
 | type | Can be set to `line` `card` | `String` | `line` |
 | duration | Toggle tab's animation time | `Number` | `0.3` | - |
 | line-width | Width of tab line (px) | `Number` | Width of active tab |
+| line-height | Height of tab line (px) | `Number` | 3 |
 | swipe-threshold | Set swipe tabs threshold | `Number` | `4` | - |
 | sticky | Whether to use sticky mode | `Boolean` | `false` |
 | offset-top | Offset top when use sticky mode | `Number` | `0` |

packages/tab/zh-CN.md

@@ -159,6 +159,7 @@ export default {
 | type | 样式类型，可选值为`card` | `String` | `line` | - |
 | duration | 动画时间，单位秒 | `Number` | `0.3` | - |
 | line-width | 底部条宽度，单位 px | `Number` | - | 1.1.1 |
+| line-height | 底部条高度，单位 px | `Number` | 3 | 1.5.0 |
 | swipeable | 是否开启手势滑动切换 | `Boolean` | `false` | 1.0.0 |
 | sticky | 是否使用粘性定位布局 | `Boolean` | `false` | - |
 | offset-top | 粘性定位布局下与顶部的最小距离，单位 px | `Number` | `0` | 1.1.15 |