update changelog about svg icon

CHANGELOG.en-US.md

@@ -23,7 +23,7 @@ In September we brought an update for `3.9.0`. There are many new features in `3
 
 - 🔥🔥🔥 In the `3.9.0` version, we redraw all the icons, adding two new categories, more than 90 new icons. And the bit adds a variety of styles to each icon. To this end, we have rewritten the Icon component, replaced the `fontface` icon with `SVG`, adding a number of features that allow us to quickly use new icons and styles.
   ![](https://gw.alipayobjects.com/zos/rmsportal/CVDHuodLwcDeyQBDoUIZ.png)
-  - 💄 Replace the `css` font icon with the `SVG` icon.
+  - 💄 Replace the `css` font icon with the `SVG` icon, [see more disscussion about it](https://github.com/ant-design/ant-design/issues/10353).
   - 💄 You can now render a two-color icon.
   - 💄 We provide three theme of icons: outlined, filled, twoTone, default theme is outlined.
   - 🌟 Two new categories, **Edit Icons** and **Data Icons**, have been added.

CHANGELOG.zh-CN.md

@@ -23,7 +23,7 @@ timeline: true
 
 - 🔥🔥🔥在 `3.9.0` 版本中，我们重绘了所有的图标，新增了两大类，超过 90 个新图标。并且位为每个图标增加了多种风格。为此我们重写了 Icon 组件，使用 `SVG` 替换了 `fontface` 图标，增加了多个特性，可以快速的使用新的图标和风格。
   ![](https://gw.alipayobjects.com/zos/rmsportal/CVDHuodLwcDeyQBDoUIZ.png)
-  - 💄 使用 `SVG` 图标替换了 `css` 字体图标。
+  - 💄 使用 `SVG` 图标替换了 `css` 字体图标，[可以看这里的讨论了解 svg 的优势](https://github.com/ant-design/ant-design/issues/10353).
   - 💄 提供了三套图标风格线性、实色和双色图标，默认为线性风格。
   - 🌟 新增了 **编辑类** 和 **数据类** 两个新类别。
   - 🌟 新增 `theme` 属性，可以设置图标的主题风格。[#11971](https://github.com/ant-design/ant-design/pull/11971)