Changing my name to imperishable_knight

BUR #270 has been approved by @Lyren.

create alias imperishable_neet -> imperishable_knight

Changing my name here to reflect how it's changed elsewhere.

https://twitter.com/impershblknight/status/1743545308951236853?s=20

The bulk update request #270 (forum #1855) has been approved by @Lyren.

Use topic #85 for artist aliases in the future.