Bump antd from 3.19.6 to 3.19.8

Bumps [antd](https://github.com/ant-design/ant-design) from 3.19.6 to 3.19.8.
- [Release notes](https://github.com/ant-design/ant-design/releases)
- [Changelog](https://github.com/ant-design/ant-design/blob/master/CHANGELOG.en-US.md)
- [Commits](ant-design/ant-design@3.19.6...3.19.8)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -1126,8 +1126,8 @@ ansi-styles@^3.2.0, ansi-styles@^3.2.1:
     color-convert "^1.9.0"
 
 antd@^3.16.2:
-  version "3.19.6"
-  resolved "https://registry.yarnpkg.com/antd/-/antd-3.19.6.tgz#6eabfc5fdf650c9e72f0cdcd573d5015f60e11f2"
+  version "3.19.8"
+  resolved "https://registry.yarnpkg.com/antd/-/antd-3.19.8.tgz#64c4fa7596dbb1fa390bb7da5b3f63e226d84e53"
   dependencies:
     "@ant-design/create-react-context" "^0.2.4"
     "@ant-design/icons" "~2.0.0"