add josh-sync build dir to gitignore (rust-lang#2196)

BoxyUwU · web-flow · commit 25beca904f61 · 2025-01-06T02:57:03.000+08:00
diff --git a/src/doc/rustc-dev-guide/.gitignore b/src/doc/rustc-dev-guide/.gitignore
@@ -4,3 +4,5 @@ ci/date-check/target/
 
 # Generated by check-in.sh
 pulls.json
+
+josh-sync/target
