Rollup merge of #65549 - t-rapp:tr-wrapping-rotate-docs, r=jonas-schievink
Rollup merge of #65549 - t-rapp:tr-wrapping-rotate-docs, r=jonas-schievink

Fix left/right shift typo in wrapping rotate docs

This makes the note similar to the one found on rotate functions for primitive types like i32/u32.

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