Include CI release notes in TOC

Author: deeikele

articles/machine-learning/toc.yml

@@ -759,6 +759,8 @@
     - name: CLI (v2) release notes
       displayName: what's, new, issues, bugs
       href: azure-machine-learning-release-notes-cli-v2.md
+    - name: Compute instance image release notes
+      href: azure-machine-learning-ci-image-release-notes.md
     - name: Azure roadmap
       href: https://azure.microsoft.com/roadmap/
     - name: Pricing
@@ -786,4 +788,4 @@
       href: overview-what-happened-to-workbench.md
     - name: Designer accessibility features
       displayName: accessibility, designer, visual interface, screen reader, keyboard shortcuts
-      href: designer-accessibility.md
+      href: designer-accessibility.md