Rollup merge of #87357 - lilyball:mailmap, r=jyn514
Rollup merge of #87357 - lilyball:mailmap, r=jyn514

Update my name/email in .mailmap

I should have done this years ago.

My name is also scattered across many other rust-lang repos, but none of the other repos I've looked at have a `.mailmap`. Is there any particular reason for this, or any process for updating my name/email everywhere?

graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust