Rollup merge of #57873 - milesand:master, r=Centril
Rollup merge of #57873 - milesand:master, r=Centril

Stabilize no_panic_pow

This would close #48320.

I'm not sure if I've done this right, I've just changed attribute name to stable and set `since` to two minor versions above current stable since that seemed like what others were doing.

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