message: feat(upload): add icon API
diff: @@ -22,6 +22,7 @@ export const NormalUpload = forwardRef<HTMLDivElement | null, UploadProps>(
  className,
  children,
  maxCount,
  + icon,
  content,
  disabled,
  multiple,
  @@ -82,7 +83,7 @@ export const NormalUpload = forwardRef<HTMLDivElement | null, UploadProps>(
  type="secondary"
  disabled={disabled || (!!maxCount && _fileList.length >= maxCount)}
  loading={loading}
  - icon={<UploadOutlined />}
  + icon={icon ?? <UploadOutlined />}
  >
  {content || buttonText}
  </Button>
  