Bump antd from 3.20.2 to 3.20.3

Bumps [antd](https://github.com/ant-design/ant-design) from 3.20.2 to 3.20.3.
- [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@3.20.2...3.20.3)

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

yarn.lock

@@ -1154,9 +1154,9 @@ ansi-wrap@^0.1.0:
   integrity sha1-qCJQ3bABXponyoLoLqYDu/pF768=
 
 antd@^3.20.2:
-  version "3.20.2"
-  resolved "https://registry.yarnpkg.com/antd/-/antd-3.20.2.tgz#e452f6e9545b945f0d5a58e78e5b262170ac1169"
-  integrity sha512-3IFhM7blPzd19exELLO67Rc/10N48oIZbIzNwIDaR4wmVJ2muWoJ5cLYPcDujUlnDFuVlTvEZjDYVa1jdR0oUg==
+  version "3.20.3"
+  resolved "https://registry.yarnpkg.com/antd/-/antd-3.20.3.tgz#a9a8acad523933f5a0daeb5931d49b9aa1ce9e29"
+  integrity sha512-LT8bhsgtGMzEWO6C8rZu9wiRU/ialJbHOxfkgBnA+v5cmdNwGm0NxvKO1uGalg7DULO86OjbzhMOKYbJYM6EqQ==
   dependencies:
     "@ant-design/create-react-context" "^0.2.4"
     "@ant-design/icons" "~2.1.1"