Changing EPM playbook to user guide in the TOC

Author: jenniferf-skc

articles/active-directory/cloud-infrastructure-entitlement-management/TOC.yml

@@ -8,8 +8,8 @@
   - name: How-to guides
     expanded: true
     items:
-    - name: Trial Playbook - Microsoft Entra Permissions Management
-      href: permissions-management-trial-playbook.md  
+    - name: Trial user guide - Microsoft Entra Permissions Management
+      href: permissions-management-trial-user-guide.md  
     - name: Onboard Permissions Management on the Azure AD tenant
       expanded: true
       items: