Auto merge of #2387 - JohnTitor:yaml-indent, r=Turbo87
Auto merge of #2387 - JohnTitor:yaml-indent, r=Turbo87

Set YAML indent size to 2

Current config makes my editor confused.

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io