fix vendor directory

release/release-ci.sh

@@ -67,8 +67,8 @@ pushd $GOPATH/src
 
 # Flatten vendor directories
 cp -r v2ray.com/core/vendor/github.com/ ./github.com/
-rm -rf v2ray.com/core/vendor/github.com/
-cp -r github.com/lucas-clemente/quic-go/vendor/github.com/
+rm -rf v2ray.com/core/vendor/
+cp -r github.com/lucas-clemente/quic-go/vendor/github.com/ ./github.com/
 rm -rf github.com/lucas-clemente/quic-go/vendor/
 
 # Create zip file for all sources