Rollup merge of #52918 - pietroalbini:1.27.2-notes, r=Mark-Simulacrum
Rollup merge of #52918 - pietroalbini:1.27.2-notes, r=Mark-Simulacrum

Backport 1.27.2 release notes

r? @Mark-Simulacrum

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