If you’d like to do this, and you are a Patron, please get in touch with me - a private message is best. I’ll sort it out as soon as I can (might be the weekend now).
Disclaimer: Once you do this, your old username will go back up for grabs. So if you’re made a business card or something, I wouldn’t recommend changing. However all followers and @-replies will all be carried across. More details about the technical side here (you don’t need to do anything technical)
Seems like they changed it? (I’ll probably still set up a second account to separate my politics-focused posts from my Doctor Who content. And I don’t fully trust such things in principle. But thought it might be useful for others.)
From How to verify your Bluesky account - Bluesky