message: Update GraphiQL storage prop type
  Fixed
diff: @@ -53,7 +53,8 @@ export class GraphiQL extends React.Component {
  response: PropTypes.string,
  storage: PropTypes.shape({
  getItem: PropTypes.func,
  - setItem: PropTypes.func
  + setItem: PropTypes.func,
  + removeItem: PropTypes.func
  }),
  defaultQuery: PropTypes.string,
  onEditQuery: PropTypes.func,
  