d42df4561a
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Stop() for Ticker to enable leak-free code **What this PR does / why we need it**: I wanted to use the clock package but the `Ticker` without a `Stop()` method is a deal breaker for me. **Release note**: ```release-note NONE ``` /kind enhancement /sig api-machinery