chore(docs): update TOC

Author: jina-bot

CHANGELOG.md

@@ -331,6 +331,7 @@ Jina is released on every Friday evening. The PyPi package and Docker Image will
 - [Release Note (`2.1.9`)](#release-note-219)
 - [Release Note (`2.1.10`)](#release-note-2110)
 - [Release Note (`2.1.11`)](#release-note-2111)
+- [Release Note (`2.1.12`)](#release-note-2112)
 
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