Auto merge of #55610 - gnzlbg:update_stdsimd, r=alexcrichton
Auto merge of #55610 - gnzlbg:update_stdsimd, r=alexcrichton

[breaking change] update stdsimd

r? @alexcrichton

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