Rename artist tag

BUR #9963 has been approved by @nonamethanks.

create alias brei -> breittons

this artist changed his name to breittons so I would like to request a artist tag update for his posts

There is topic #7713 for BURs like these.

The bulk update request #9963 (forum #210927) has been approved by @nonamethanks.

CurePikachu said:

There is topic #7713 for BURs like these.

I'm sorry, I didn't know that.