Rollup merge of #46190 - steveklabnik:fix-releases, r=aturon
Rollup merge of #46190 - steveklabnik:fix-releases, r=aturon

Amend RELEASES for 1.22.1

and fix the date for 1.22.0

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