Type error of pagination

[jibenziliao]

pagination/rc-pagination.d.ts

Line 55 in ca84b62

type: string,

与antd中itemRender类型定义不一致，在Typescript tsc检测时会报错

https://github.com/ant-design/ant-design/blob/7d68eca271a4623b2474cdc6d435d6805aec8f35/components/pagination/Pagination.tsx#L25

相关issue ant-design/ant-design#32393

[afc163]

#356