Rollup merge of #62049 - crlf0710:patch-2, r=jonas-schievink
Rollup merge of #62049 - crlf0710:patch-2, r=jonas-schievink

Fix one missing `dyn`.

It's in the documentation of `Unsize`.

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