Update TOC.yml

add data security dashboard

Author: AlizaBernstein

articles/defender-for-cloud/TOC.yml

@@ -221,6 +221,8 @@
       href: concept-data-security-posture.md
     - name: Support and prerequisites
       href: concept-data-security-posture-prepare.md
+    - name: Data security dashboard
+      href: data-aware-security-dashboard.md  
   - name: Improve your container security posture
     items:
     - name: Agentless container posture