message: Header: update subtitle typography for secondary
diff: @@ -66,6 +66,14 @@ const HeaderAside: FC<HeaderAsideProps> = ({ platform, ...restProps }) => {
  : <Text weight="regular" {...restProps} />;
  };
  +type HeaderSubtitleProps = Pick<HeaderProps, 'subtitle' | 'mode'> & { Component: ElementType };
  +
  +const HeaderSubtitle: FC<HeaderSubtitleProps> = ({ mode, ...restProps }) => {
  + return mode === 'secondary'
  + ? <Subhead weight="regular" {...restProps} />
  + : <Caption weight="regular" level="1" {...restProps} />;
  +};
  +
  const Header: FC<HeaderProps> = ({
  mode,
  children,
  @@ -98,7 +106,7 @@ const Header: FC<HeaderProps> = ({
  )}
  </HeaderContent>
  - {hasReactNode(subtitle) && <Caption vkuiClass="Header__subtitle" weight="regular" level="1">{subtitle}</Caption>}
  + {hasReactNode(subtitle) && <HeaderSubtitle vkuiClass="Header__subtitle" Component="span">{subtitle}</HeaderSubtitle>}
  </div>
  {hasReactNode(aside) && <HeaderAside vkuiClass="Header__aside" Component="span" platform={platform}>{aside}</HeaderAside>}
  