fixing toc link

Author: batamig

articles/sentinel/TOC.yml

@@ -245,7 +245,7 @@
     - name: Customize playbooks from templates
       href: use-playbook-templates.md
     - name: Automate activity with both watchlists and playbooks
-      href: automate-playbook-watchlists.md
+      href: automate-playbook-watchlist.md
   - name: Manage Microsoft Sentinel
     items:
     - name: Microsoft Sentinel for MSSPs