Rollup merge of #74602 - poliorcetics:maybe-uninit-zeroed-doc-clarification, r=jyn514
Rollup merge of #74602 - poliorcetics:maybe-uninit-zeroed-doc-clarification, r=jyn514

Clarify the doc for MaybeUninit::zeroed on incorrect use

Fixes #74343.

@rustbot modify labels: C-enhancement, T-doc

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