Merge pull request #124 from tabbysable/update-readme

Add Cailyn to the readme

Author: k8s-ci-robot

README.md

@@ -17,6 +17,7 @@ The Chairs of the SIG run operations and processes governing the SIG.
 
 * Ian Coldwater (**[@IanColdwater](https://github.com/IanColdwater)**), Docker
 * Tabitha Sable (**[@tabbysable](https://github.com/tabbysable)**), Datadog
+* Cailyn Edwards (**[@cailynse](https://github.com/cailynse)**), Octa
 
 ## Contact
 - Slack: [#sig-security](https://kubernetes.slack.com/messages/sig-security)