static aria-label, no possibility to change for other language

[DmitriBountsman]

There is no possibility to change aria-label either via a locale file or component properties. That breaks disability tests for other languages (in my case German). https://github.com/react-component/dialog/blob/ecc8da988f03ef2d54e67f6e77a2f53483b812aa/src/Dialog/Content/Panel.tsx#L100