Needs approval from an approver in each of these files:
- ~~[plugins/source-kafka/OWNERS](https://github.com/knative/client-contrib/blob/master/plugins/source-kafka/OWNERS)~~ [daisy-ycguo]
Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
Closes #59