Auto merge of #7694 - Jarcho:lintcheck_retry, r=matthiaskrgr
Auto merge of #7694 - Jarcho:lintcheck_retry, r=matthiaskrgr

Retry on some download errors in lintcheck

I'm currently on spotty wifi right now. It is shocking the number of things that break when you lose connection for a few seconds. Some 500 errors should probably also be retried, but this fixes my issue.

changelog: None

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