Use Lock to automatically lock old closed issues
Use Lock to automatically lock old closed issues

See https://www.henryzoo.com/blog/2018/05/06/an-issue-with-issues.html
for rationale.

ReactTraining/react-router,rackt/react-router,reactjs/react-router,rackt/react-router,reactjs/react-router,ReactTraining/react-router,ReactTraining/react-router,ReactTraining/react-router