Rollup merge of #90832 - cuviper:relnotes-1.57.0, r=Mark-Simulacrum
Rollup merge of #90832 - cuviper:relnotes-1.57.0, r=Mark-Simulacrum

Add 1.57.0 release notes

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