Change default branch of www.rust-lang.org to main

Author: Kobzol

repos/rust-lang/www.rust-lang.org.toml

@@ -9,7 +9,7 @@ bots = ["rustbot", "heroku-deploy-access"]
 website = "maintain"
 
 [[branch-protections]]
-pattern = "master"
+pattern = "main"
 pr-required = false
 
 [[branch-protections]]