chore(docs): update TOC

Author: jina-bot

CHANGELOG.md

@@ -213,6 +213,7 @@ Jina is released on every Friday evening. The PyPi package and Docker Image will
 - [Release Note (`0.8.6`)](#release-note-086)
 - [Release Note (`0.8.7`)](#release-note-087)
 - [Release Note (`0.8.8`)](#release-note-088)
+- [Release Note (`0.8.9`)](#release-note-089)
 
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->