Rollup merge of #46252 - zilbuz:msvc-doc, r=kennytm
Rollup merge of #46252 - zilbuz:msvc-doc, r=kennytm

Update MSVC compilation instructions regarding path length on Windows

Fix #46214

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