alias tail_raised -> tail_up

BUR #8054 has been rejected.

create alias tail_raised -> tail_up

Not really sure why this tag goes against all of our other *_up tags like arm_up, hand_up, leg_up and so on.

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #8054 (forum #201170) has been rejected by @DanbooruBot.